Answer:
A leaky heart valve might go unnoticed. Or it could cause health problems that could be either minor or serious. How serious a leaky heart valve is depends on how much it interferes with normal blood flow through the heart. Treatments include medicines, surgical repair, or surgical replacement of the leaky valve. Observation over time for changes is the most common approach to a leaky heart valve.
Hope it May help you
Good luck
How do biological agents contribute to weathering??
Which of the following statements about blood pH is true?
A. Carbon dioxide is a buffer that helps the blood pH remain around 7.4.
B. Carbonic acid is a waste product that makes blood pH deviate from 7.4.
C. 7.4 is a neutral pH, and the whole body needs to remain neutral to maintain homeostasis.
D. At a pH too far from 7.4, enzymes in the blood will stop functioning properly.
Use the definition in the image to answer these questions:
How are subduction and uplift different from each other? *
O Uplift pushes material up, subduction moves material down under Earth's outer layer
O Uplift pushes material down under Earth's outer layer, subduction moves material up
O Both subduction and uplift move rock material up
O None of the above
What is the cause for both subduction and uplift? *
O weathering
O erosion
O plate motion
Answer:
1) uplift pushes material up, subduction moves material down under earths outer layer
2) plate motion
Explanation:
1) I mean, it says it in the definition.
2) it also says in the definition, “due to plate motion”
Answer:
1) uplift pushes material up, subduction moves material down under earths outer layer
2) plate motion
Explanation:
1) I mean, it says it in the definition.
2) it also says in the definition, “due to plate motion”
Explanation:
ITS NOT MY WORK I JUST NEEDED POINTS SO I CAN ASK MY QUESTION FOR MY TEST SORRY!!!
Two next-door neighbours use very different strategies when it comes to landscaping their front yards. One neighbour plants a front lawn of lush green grass that requires regular watering and fertilizer application. The other neighbour uses
stone pathways that wind through a variety of drought-resistant wild flowers and shrubs that are native to the area.
Explain why the drought-resistant wild flowers and native shrubs contribute more to the sustainability of a yard than does the lush green grass.
Answer: When the city/county/state/region declares a drought and stops the use of water on lawns, the green stuff dies.The guy with the drought resistant set up will hardly notice any difference in the look of his yard.
Explanation:
It is observed In the case of grass lawns, that the lush green grasses have more requirements as compared to the area covered with wildflowers and shrubs.
What are their requirements?The requirements include one of the most essential elements water. Compared to the drought-resistant plants grown by the second neighbor, the grass lawns require a large amount of water for their growth. This in turn adds a burden in the form of water requirements.
How do they survive?Drought-resistant plants take nutrients in the form of nourishment and protection whereas the grass requires the use of fertilizers as well as chemical pesticides to provide resistance to the grass against the potent pests and due to the requirement of a large amount of water by the lawns, there are chances of these chemicals getting washed away and entering into a nearby water source, and they don't get enough of the nourishment.
The drought-resistant varieties and the native plants are more potent to survive the conditions already present there and thus are more sustainable.
Learn more about the adaption here:
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The stem of a plant _____.
transports water, minerals, and food
soaks up water and minerals from the soil
takes in oxygen from the air
all of the above
Answer:
The correct choice is All of the above
Explanation:
A stem is one of two main structural axes of a vascular plant, the other being the root. It supports leaves, flowers and fruits, transports fluids between the roots and the shoots in the xylem and phloem, stores nutrients, and produces new living tissue.
The table lists some organelles and functions. Only one pair is correctly matched.
Organelle
Lysosome
Vacuole
Mitochondrion
Ribosome
Functions of Organelles
Function
Stores water and waste materials
Breaks down sugars
Breaks down waste materials and debris
Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
lysosome
vacuole
mitochondrion
ribosome
Answer:
Vacuole-Stores water and waste material.
This maintains turgidity in pants.It is large in size and occupies the center of palnt's cells.
Mitochondrion- Breaks down sugars.
This breaks down sugars during cellular respiration to produce energy as ATPs.
Lysosomes-Breaks down waste materials and debris.
This removes worn out cells and organelles.It is a vital organelle.
Ribosomes-Produces proteins for the cells.
This is the site of protein synthesis through translation of transcripted mRNA in the cells.
Explanation:
Answer:
D. ribosome , ribosomes produce the body's protein
Explanation:
Why is flooding more likely after many trees are removed from an area?
A. Without the trees, evaporation rates slow down.
B. Without the trees, water runs off rather than percolating into the
soil.
C. Without the trees, most of the animals die and therefore don't
drink the water.
D. Without the trees, precipitation increases dramatically.
SUBMIT
Answer:
Without the trees, water runs off rather than percolating into the
soil.
Explanation:
Flooding is the excessive flow of water due to increased rainfall. It usually deprives the soil of the affected area of essential nutrients. However, the presence of trees in an area can help prevent or reduce the possibility of flooding. The roots of large trees help hold the soil together, which improves the porousness of the soil. Also, trees store water that is meant to runoff.
Without the trees, the absorption or percolation of water into the ground/soil will be reduced, hence, the excess water runsoff the surface leading to flooding.
Which is one characteristic of deep ocean currents?
move quickly
Move because of wind
move cold water
O move in a circular pattern
Answer:
extremly cold water currents..... may the option is c
may be it helps you.... friend ✌✌
Answer:
C
Explanation:
Assume Kira went out to eat after the dance competition and consumed an excessive amount of carbohydrates. Which of the following would the pancreas do in order to help her body maintain homeostasis?
A. Secrete glucagon, to stimulate her liver to break down glycogen
and release more glucose into the blood
B. Secrete glucagon, to stimulate her liver to take up the glucose and store it as glycogen
C. Secrete insulin, to stimulate her liver to break down glycogen and
release more glucose into the blood
D. Secrete insulin, to stimulate her liver to take up the glucose and store it as glycogen
Answer:
D. Secrete insulin, to stimulate her liver to take up the glucose and store it as glycogen
Explanation:
What type of fat is found in meat and most animal products, and can increase your cholesterol levels when consumed?
OA.
Unsaturated fats
OB.
Saturated fats
C.
Trans-fats
D.
Triglycerides
Answer saturated fats :
Explanation:saturated fats raise both Hdl and ldl cholesterol levels
Answer:
Saturated fats
Explanation:
took test
One type of reading is _______ what a sign means.
blank = interpreting?
Lab: Effects of Human Activity on Freshwater Resources
Lab Report
Active
Answer:
destruction of human health
NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
QUESTION 5
Did the universe cool off or get hotter as it expanded after the 'big bang"?
The universe is the same temperature it has always been
The universe gets hotter as it expands, and cooler when it contracts.
The universe got hotter and is still getting hotter.
The universe cooled off after the 'big bang"
QUESTION 6
Cosmology is the study of the universe.
True
False
QUESTION 7
What is happening to the universe today?
The universe is the same as it was billions of years ago.
The universe is expanding.
The universe is contracting.
QUESTION 8
Remote sensing of the Earth's surface and atmosphere may involve the use of what type of instruments?
satellites
underwater probes
calorimeter
siesmographs
QUESTION 9
Droughts can influence which of the following?
both the resources and population
the resources available to a population
the population directly
neither the resources nor the population
QUESTION 10
Remote sensing allows us to do which of the following?
determine what the weather is like in remote locations such as in the middle of the ocean
locate and examine some natural disasters
study drought conditions in different parts of the world without the need to travel to remote locations
All of the above.
QUESTION 11
What is the most abundant salt in seawater?
quartz sulfate
sodium chloride
soap
sugar
QUESTION 12
Why is the ocean dark below ~200 meters?
All the light has been absorbed by the water above.
The water is too salty for the light to travel farther.
wet water absorbs more light than dry water
The light reaches to all depths of the ocean.
QUESTION 13
What effect does the Earth’s moon have on the oceans?
The Moon is responsible for the tides.
When the Moon is full, cheese from the Moon may fall into the ocean.
The Moon causes extreme temperature fluctuations every 30-32 years
The Moon is too far away from the Earth to have an impact.
Answer:
6 = True
8 = satellites
9 = both the resources and population
10 = All of the above.
12 = sodium chloride
12 = All the light has been absorbed by the water above.
13 = The Moon is responsible for the tides. (The second chioce made me laugh XD)
Explanation:
I don't know 7 or 5
Have a good day. :)
Hope this helps!
(brainliest would be appreciated)
each new strand of DNA that is is refered to as a _____
Answer:
DNA replication is the process by which DNA makes a copy of itself during cell division.
Explanation:
Hope that helps! Have a nice day!
Which describes a target cell? releases hormones into the blood produces a particular hormone recognizes a hormone’s chemical structure destroys hormones in the blood
Answer:
recognizes a hormone’s chemical structure
Explanation:
In living systems, chemical messengers called hormones are secreted into the body via the bloodstream or ducts by certain glands called endocrine glands e.g pancreas, hypothalamus etc. These hormones are meant to effect a physiological change in certain cells called TARGET CELLS.
In biology, a target cell is any receiving cell that has the ability to respond to signals and messengers like hormones. This responding ability of hormones is due to the possession of specific receptor sites for the specific hormones. The receptor on a particular target cell recognizes that specific hormone's chemical structure, hence, will only respond to it.
For example, an insulin hormone secreted by the pancreas will only be responded to by a target cell that recognizes the chemical structure of the insulin protein using its receptor molecule.
how do genes play a role in homeostasis?
Which of these is the most practical method to prevent global water shortage? A. Stop planting trees and shrubs in gardens. B. Conserve, recycle, and reuse water in households. C. Stop using appliances like washing machines and dishwashers. D. Discourage setting up of power plants which need cooling water.
Answer:
B. Conserve, recycle, and reuse water in households
Explanation:
I think B will be the best way to prevent global shortage because...
A. If we stop planting trees and shrubs in gardens that will reduce water shortage just by a little and trees are very important for fresh air and are equally important as water so its not a nice way to prevent global water shortage.
C. It will be very hard for people who use washing machines and dishwashers to stop using them because they are not used to clean their clothes/dishes by themselves and would be a very hard task to stop using it.
D. Idk
Which of the following serves as the framework of the ribosome? Group of answer choices tRNA rRNA mRNA DNA
Nitrogen fixation is carried out by nitrogen-fixing plants and fungi.
True or False?
Why is the oxygen atom of one water molecule attracted to the hydrogen
atom of another water molecule?
A. Because hydrogen has a partially positive charge and oxygen has
a partially negative charge
B. Because hydrogen has a partially negative charge and oxygen has
a partially positive charge
C. Because hydrogen and oxygen atoms have partially positive
charges
D. Because hydrogen and oxygen atoms have partially negative
charges
Answer:
A
Explanation:
Because it is the right answer if you do some research.
The oxygen atom of one water molecule is attracted to the hydrogen atom of another water molecule because hydrogen has a partially positive charge and oxygen has a partially negative charge. Thus, the correct option is A.
What is the name of this bonding?The name of this bonding between the oxygen atom of one water molecule and the hydrogen atom of another water molecule is hydrogen bonding.
The slight positive charge on the hydrogen atom of one water molecule attracts the slight negative charge on the oxygen atom of another water molecule.
This small force of attraction between two different atoms of different molecules is presented by hydrogen bonding.
Therefore, the correct option for this question is A.
To learn more about Hydrogen bonding, refer to the link:
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What is missing in the alpine tundra that is present in the Arctic and Antarctic tundra?
a.) animals
b.) permafrost
c.) trees
d.) cold temperatures
Answer:
Permafrost
Explanation:
Alpine tundra is distinguished from arctic tundra in that alpine tundra typically does not have permafrost, and alpine soils are generally better drained than arctic soils.
Choose the correct word that describes the description. When there is very little solute dissolved in a lot of solvent. solute? solvent? saturated? dilute?
Answer: Dilute
The maximum amount of solute that can be dissolved in a solvent is a saturated solution at a certain temperature is called saturated solution.
Solute and solvent are not the correct description.
A dilute solution has very little solute dissolved in the solvent.
Summarize the reasons why systematists separated Domain Bacteria from Domain Archaea.
Answer:
Initially, Archaea were classified as part of Bacteria, but sequencing technologies enabled them to separate these phylogenetic groups.
Explanation:
Archaea and Bacteria are different domains that belong to a kingdom known as prokaryotes. Prokaryotes are unicellular organisms that lack membrane nucleus, and any class of internal membrane, thereby they neither have organelles. These domains (Archaea and Bacteria) are primarily classified according to the level of sequence homology, being archaea organisms closer to eukaryotes compared than bacteria. Moreover, it has also been proposed that Bacteria are ancestors of eukaryotic organelles.
Due to the certain differences in their morphology and habitats, the Archea are the separate domain from domain Bacteria of life in prokaryotes.
ArchaeaIt is considered as the different domain of life in prokaryotes. These are the most primitive type and are known as the ancient microorganisms found in extreme niches.
They also have morphological differences as well as biochemical than bacteria which are rarely to be seen in those harsh conditions on which archaea can thrive. Their reliance on ether lipids in their cell membranes. Bacteria have phospholipid membranes.
Learn more about Archaea:
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What causes the flu?
Answer:
What Causes the Flu? The flu is caused by influenza viruses that infect the nose, throat, and lungs. These viruses spread when people with flu cough, sneeze or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.
Answer:
The virus spreads when a person sneezes or coughs.
Explanation:
Storm surge can raise waves as high as _____ above sea level.
A. 6 meters
B. 6 centimeters
C. 6 feet
D. 6 inches
how are animals like as heterotophs
Answer:
Animals are known as heterotrophs because they cannot create their own food (like plants) and must consume other forms of life to survive.
Explanation:
Earth's tides are caused by the influence of celestial bodies. Which body
has the greatest influence on tides?
A.sun because it's larger than the moon
B.moon because it's closer than any other celestial body
C.Earth because that's where we live
D.Jupiter because it's larger than the sun
How are carbon atoms produced in an ecosystem
Answer:
Photosynthesis by land plants, bacteria, and algae converts carbon dioxide or bicarbonate into organic molecules. Organic molecules made by photosynthesizers are passed through food chains. Good Luck!!
Explanation:
genetics!!! plz look at the photos attached....i have no clue what to do and it’s due very soon!
Question:
In order for your mutant dragon population to become its own species, and needs to be separated from the original dragon population so they no longer will mate with each other. come up with an idea of how the mutant dragon population can separate itself from the original population. Link it to your environmental change.
Answer:
There are various tactics that can be used to separate the mutant dragon population, in order to create a new speices. One tactic is to lure the dragons to a location that provides them with a better food supply. Another tactic could be to temporarily relocate the whelps or fledglings, and leaving behind a trail for the Family to follow. The goal is separate the mutant dragon population from the other, and the propositions that I have provided above could possibly be the solution.
Note:
This is the best I could do with the limited information that was given. I advise that you only resort to this if truly needed. I don't have much experience or knowledge in this Topic. I just thought I might give it a try. I hope you get a better answer soon!
Multiple Choice:
Which species is most likely to exhibit clumped dispersion?
A. dandelions with seeds dispersed by the wind
B. tigers that defend their territories from one another
C. a bird that nests in many different types of trees
D. a tree that grows only on the banks of streams
Answer:
The correct answer is D
Explanation: I took this test on Edmentum. Got it right.