Answer:
Magnesium
Explanation:
Explain why if you lightly place a paper clip in water it floats, but if you
disturb the water it sinks.
The paper clip, which has a far higher density than the water, can float because of the strong surface tension.
What is the surface tension of liquid?Because water is polar, its molecules are attracted to one another. Water “sticks” together due to the hydrogen ends, which are positive compared to the oxygen ends, which are negative.
Because of this, there is surface tension, and breaking these intermolecular interactions requires a certain amount of energy.
Whether an object will float or sink in another substance depends on its density. If an object's density is lower than the liquid it is placed in, it will float. If an object is heavier than the liquid it is immersed in, it will sink.
Therefore, if you lightly place a paper clip in water it floats, but if you
disturb the water, it sinks.
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HELP ASAP noww thanks
Answer:
Large molecules like proteins
Explanation:
They are too big
Answer:
The 2nd one.
Many large molecules (such as glucose and other sugars) can't cross the cell membrane.
which characteristics is unique to animals?
heterotroph
photosynthesis
autotroph
multicellular eukaryote
What are the two types of respiration?
Answer:
cellular respiration and aerobic respiration
Explanation:
The Phoenix area of the Southwestern desert typically receives 8 inches of precipitation yearly, in two seasonal patterns. Even though it is an arid region, it has high biological diversity. Thin-leaf trees abound, such as palo verde and desert ironwoods wildlife includes insects, reptiles, many bird species, small rodents, and other mammals. Which factor in the Southwestern desert ecosystem is abiotic?
A rainstorm can be considered an element in the Southwestern desert ecosystem that is abiotic.
What is an abiotic factor?An abiotic factor is any type of non-living condition that interacts with organisms (biotic factors) in an ecosystem.
Some examples of abiotic factors may include rainstorms (precipitations), temperature, light conditions, etc.The range of abiotic factors is a fundamental issue for the survival of organisms that live in an ecosystem.In conclusion, a rainstorm can be considered an element in the Southwestern desert ecosystem that is abiotic.
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The factor in the Southwestern desert ecosystem that is abiotic is precipitation.
What are abiotic factors?Abiotic factors are the non-living components of an ecosystem influencing the living organisms' distribution in an area. Precipitation is an abiotic factor that provides water for plants and animals to survive and is a very important part of the ecosystem.
In the Southwestern desert ecosystem, the low precipitation levels resulted in an arid environment which results in the presence of a unique array of plant and animal species that have adapted to survive in these conditions.
Temperature is also another important abiotic factor in the Southwestern desert ecosystem. The high temperatures during the day and low temperature at night influence the behavior and survival of the animals and plants that live in this environment. Wind patterns, soil type, sunlight, etc. are other abiotic factors.
Therefore, the factor in the Southwestern desert ecosystem that is abiotic is precipitation.
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I really need the answer to both of these. If you answer first I’ll give Brainliest
Answer:
1) carbohydrates
2)protein or nucleic acid
Explanation:
1)carbohydrates(CHO)are made of carbon, hydrogen, and oxygen
2)it's either protein or nucleic acid I'm not sure which one though sorry. Protein contains all 4 of those elements but contains sulphur, and nucleic acid also contains those elements with phosphorus.
Answer:
1). Carbohydrates
2). Protein
I hope this helped ;)
BIOLOGY, i need help please
Answer:
true
Explanation:
Answer:
i'm not 100% sure but i thnk is true
Explanation:
*EXTRA POINTS*
If the pressure of a gas decreases, what happens to its volume?
If the pressure of a gas increases, what happens to its volume?
Answer:
1.it will go up 2. it will go down
Where did most animals live during the Paleozoic
Answer:
The Paleozoic Era began with the Cambrian explosion. It ended with the Permian extinction. During the era, invertebrate animals diversified in the oceans. Plants, amphibians, and reptiles also moved to the land
Which are classified as sac fungi?
O truffles, morels, yeast
O mushrooms, puffballs, rusts
O morels, mushrooms, chytrids
O chytrids, truffles, puffballs
Truffles, morels, yeast are classified as sac fungi. So, the correct option is (A).
What is Sac fungi?Ascomycota also known as sac fungi, belong to a group of fungi (Kingdom Fungi) characterized by a saccular structure, the ascus, which contains four to eight ascospores in the sexual stage.
These are divided into subgroups based on whether the asci are produced singly or in one of several types of fruiting structures, or ascocarps, and on the method of discharge of the ascospores.
Many ascomycetes are plant pathogens, while some are animal pathogens, where some are edible mushrooms, and many live on dead organic matter. The largest and most commonly known ascomycetes include morels and truffles.
Thus, truffles, morels, yeast are classified as sac fungi. So, the correct option is (A).
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Which are results of poor soil management?
nutrient depletion, desertification, and drought
erosion, nutrient depletion, and desertification
drought, land reclamation, and erosion
desertification, drought, and land reclamation
Answer:
eroison, nutrient depletion, and desertification
Everything on earth depends on soil. O True © False
Answer:
True
Explanation:
On Earth, water can exist as a solid, a liquid, or a gas. Why?
Α.
Earth is at an ideal temperature due to its distance from the Sun.
B.
Earth rotates counterclockwise as viewed from above the North Pole.
C.
Earth is shaped like a sphere and revolves around the Sun.
O
D.
The Moon takes about 27 days to revolve around Earth.
How does heat transfer between the atmosphere and the ocean affect regional climate?
Explanation:
Both the ocean and the atmosphere transport roughly equal amounts of heat from Earth's equatorial regions - which are intensely heated by the Sun - toward the icy poles, which receive relatively little solar radiation.
The ocean and atmosphere are constantly in a process of energy exchange (heat transfer) as the ocean bodies serves as heat trap which absorbs the larger portion of the Sun's radiation, which is distributed to surrounding areas as sunlight subsides, with the ocean water also losing moisture due to evaporation.
Areas very close to the ocean, topical regions experience the highest level of evaporation and they inturn experience the highest amount of Rainfall. Hence, dictating the regional climate of the tropics.
Ocean currents also play a major role in ensuring distribution of heat, precipitation and warmth between the equatorial and tropical regions, Hence, patching a sort of balance in regional distribution of heat and Rainfall.
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FASTER RIGHT ANSWER GETS BRIANLY
6. Compare covalent and ionic compounds
Answer:
In covalent bonds, atoms share electrons, whereas in ionic bonds atoms transfer electrons. The reaction components of covalent bonds are electrically neutral, whereas for ionic bonds they are both charged.
Explanation:
The process where Ilquld water changes to a gas as water vapor. A Condensation B Evaporation С Runoff D Precipitation
Answer:
B
Explanation:
Evaporation
Please I really need help
Answer:
A
Explanation: i promise you it’s a
Answer:
A
Explanation:
The seasons.
What should you avold while cooking vegetables?
You should avoid (_______) vegetables because their color and flavor can change due to prolonged exposure to heat.
Answer:
Overcooking
Explanation:
I got it right on my test
#PlatoLivesMatter
What is the function of the valves within the heart and veins? to ensure the production of blood within the body to ensure coordination of the heart cells for pumping blood to ensure that foreign materials do not enter the heart to ensure that blood flows in one direction only
Answer:
to ensure that blood flows in one direction only
Explanation:
Here, we want to select which of the options is the function of valves within hearts and veins.
Basically, valves serve as control mechanisms in the circulatory system.
By control, it means that they actually dictate the direction in which the blood will flow.
Hence, valves ensures that blood types which is supposed to flow from the heart does not flow towards it and blood types that are meant to flow towards it does not flow away from it
An example of this can be seen in the case of oxygenated and deoxygenated blood.
Both have different flow mechanisms which are controlled by the actions of the valves
Answer:
D. To ensure that blood flows in only one direction
Explanation:
Do homologous structures have the same function in different organisms?
Answer:
The term “homologous structures” refers specifically to similar structures found in different species that have a common ancestry or developmental origin. Note that homologous structures don’t have to perform the same function in a species, the only requirement is that they are similar in form and exist in species with common ancestry.
Explanation:
Vern and his sister Ella were given permission to use one area of their backyard garden to plant a few plants of their own. They want to plant angiosperms that will grow back next year. Which key words should they look for on the seed packets?
Answer:
The key term Vern and his sister Ella should look for on the seed packets are either "Sowing Indoors"; "Start Indoors"; "Direct Sow"; or "Sowing Outdoors".
These terms help to understand the best time to begin growing the seeds and whether they are outdoor or indoor plants.
If a seed packet has the term "direct sow after danger of frost" it means the seed should be planted outside only (if there is no starting date given).
what is a person that studies earth called?
Answer:
A Geologist cuz geo meanse earth and logist is someone who studies
Explanation:
A certain type of bacteriophage replicated by incorporating its own genetic material into the host genome where it passed on to future generation over time. This type of viral reproduction is known as he
Answer:
photosynthesis maybe?
Explanation:
Enzymes are protein molecules with a very specific shape that help them carry out chemical reactions. What name is given to the specifically shaped region of the enzyme onto which it attaches to a substrate?
- Substrate
- Active Site
- Allosteric
- Cofactors
Answer:
active site
Explanation:
What does having two layers allow the cell membrane to do?
A. make lipids and phospholipids
B . support the cell wall
C. pass nutrients and wastes through
D. Make Proteins
Answer:
i think it's B.
Explanation:
good luck :)
jellyfish mushrooms oak trees and bacteria contain cells which component of cell theory does this best illustates
Answer:
A. All living things are made of cells
Explanation:
Both plants and animals contain cells, so that's why it is A.
(I also took the quiz and got it right.)
Hope this Helps!
HIV, the virus that causes AIDS, is transferred through body fluids. People once thought that HIV infections were untreatable. Now, many people live relatively long and healthy lives despite being infected with HIV.
Which word describes this 250 m measurement
Answer: if you answer mine ill answer yours
Explanation:
PLEASE HELP I WILL MARK BRAINLYYYY PLESEEEE CORRECT ANSWERS ONLY
Question 2 of 11
The color of a star depends on which other property of the star?
A. Luminosity
B. Apparent brightness
C. Distance from Earth
D. Temperature
answer:
D. temperature
explanation:
hope this helped <3 also if wouldn't mind could you pls give me brainliest? (im trying to level up) thanks! :)
Answer:
the anwer is D temperature
1. Scientists use this to estimate the age of the universe.
Answer:
The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite.
Explanation:
I'm new to brainly but I hope this helped!