human population increase as medical care improves and becomes more available true or false
Which statement correctly compares the speed of light?
The speed of light through space is much greater than 3 x 108 m/s.
The speed of light in glass is much greater than 3 x 108 m/s.
The speed of light in glass is faster than the speed of light through space.
The speed of light in glass is slower than the speed of light through space.
Answer:
The speed of light in glass is slower than the speed of light through space.
Explanation:
Glass is more dense than space therefore speed of light slows down.
Answer:
D
Explanation:
2. Match the description with the type of mammal:
• give birth to live young but then carry the tiny babies in a special pouch until they are fully developed
• babies can feed off of the milk in the pouch of their mothers.
• do not have nursing nipples,their babies simply lick the milk from the mammary glands on the skin
• found in Australia for the most part except for the opossum
O marsupials
O monotremes
O placentals
Answer:
marsupials
eg. Kangaroo
Why does it help to organize data in a table?
Answer:
Organized data allows you to examine or analyze the data for patterns.
Explanation:
Answer:
Quality work and knowledge.
Explanation:
Keeping your data organized in a table will help you undertsand what youre looking at and how you can use it. Maximum organization keeps your mind organized as well.
Which of these animals is known for its ability to detect electricity? cat platypus manatee tasmanian devil.
Platypus is an animal that is known for its ability to detect electricity. Details about platypus can be found below.
What animal is platypus?Platypus is a semi-aquatic, egg-laying monotreme mammal with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat webbed feet.
Electro-receptive animals like platypus can detect weak electrical fields generated by prey. They use these feature to catch prey or communicate.
Other examples of animals that can detect electricity are as follows:
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The cells control center
Answer:
The BRAIN!
Explanation:
Our brain, the control center of the nervous system and the rest of the body, normally allows us to retain and recall information.
How long does it take to recover from a fractured elbow.
Explain the properties of RNA
Answer:
RNA forms in the nucleolus, and then moves to specialized regions of the cytoplasm depending on the type of RNA formed.
RNA, containing a ribose sugar, is more reactive than DNA and is not stable in alkaline conditions. RNA’s larger helical grooves mean it is more easily subject to attack by enzymes.
RNA strands are continually made, broken down and reused.
RNA is more resistant to damage from UV light than DNA.
RNA’s mutation rate is relatively higher.
Unusual bases may be present.
The number of RNA may differ from cell to cell.
Rate of renaturation after melting is quick.
RNA is more versatile than DNA, capable of performing numerous, diverse tasks in an organism.
RNA or ribonucleic acid is a polymer of nucleotides which is made up of a ribose sugar, a phosphate, and bases such as adenine, guanine, cytosine, and uracil.
It is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.
Explanation:
Answer: The full form of RNA is RIBONUCLEIC ACID and is present mostly in viruses. RNA contains genetic information just like DNA.
Explanation:
Abiotic factors that characterize a forest ecosystem include.
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soillighttemperaturemineralsrockswaterA species of frog has inhabited the tropical rain forests of south america for the
past one million years. which two factors would tend to disrupt the gene pool
stability of this frog population?
a. low mutation rate and random mating
b. hugh mutation rate and numerous migrations
c. low mutation rate and no migrations
d. large population random mating
Answer:
Option B. makes the most sense.
The adoptation of peast uprising
Answer:Also known as "Peasant wars"; peasant uprisings in broad usage, were a number of rural-based rebellions from the seventeenth to the twentieth centuries, a typical form of protest in Russia against socioeconomic, religious, and cultural oppression and, occasionally, against political power holders. Peasant uprisings …
Explanation:
the method for determining energy expenditure in which the amount of oxygen a person uses is measured is called
Answer:
In indirect calorimetry, energy expenditure is determined by measuring the amount of oxygen consumed and carbon dioxide produced.
Explanation:
What do phloem tissues do?
Answer:
Conducts foods made in the leaves during photosynthesis to all other parts of the plant
Answer:
Conducts foods made in the leaves during photosynthesis to all other parts of the plant.
Explanation:
Phloem tissues are found in plants and distributes food made from photosynthesis to the whole plant.
Which of the following is a data piece a demographer would NOT be interested in when studying demography
A. Fertility
B. Mortality
C. Jobs
D.Migration
Answer:
C. Jobs
Explanation:
Demography is usually defined as the science of vital and social statistics, as of births, deaths, diseases, marriages etc. of populations.
This means that a demographer study both birth and death rates as they focus on human characteristics.
In demography, fertility is the birthrate of a population. Or in other words, the ability to produce offspring in a population. Mortality is the opposite of fertility; the death rate of a population. Both of these things are something that a demographer would study as they relate to the continuation of human society. Migration though, is a demographic process in which people migrate between different locations or places, resulting in a contribution to a population. So to explain the demographic terms, international migration takes an impact on a population with its age and size structure resulting in an indirect influence on the rate of future births in a population. This means that a overall, fertility, mortality, and migration all are therefore things that a demographer would study. After using process of elimination between the options, there is one left over, which is:
Option C - Jobs
What is an example of a voltaic cell and an electrolytic cell used in everyday life?
Electrolytic cells are less common in everyday life, although they are important in many industrial operations, as in the electroplating of metals.
What is an example of a voltaic cell?Daniell cell is a galvanic cell. One example of a galvanic cell is the common household battery. The electrons flow from one chemical reaction to another occurs through an external circuit that results in the current.
Thus,Electrolytic cells are less common in everyday life, although they are important in many industrial operations.
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What kind of vegetation would you most likely expect to find in the chaparral biome?
a.
deciduous trees
b.
tall grasses
c.
hardy shrubs
d.
tall pine trees
Hardy shrubs is the kind of vegetation would you most likely expect to find in the chaparral biome.
What is Chaparral biome?This type of biome is characterized by hot and dry summers and mild winter period.
It is composed of mostly hardy shrubs and is susceptible to fire during late summer period.
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Answer:
C. hardly shrubs
Source:
trust me bro
Suppose a hare spotted a coyote and tried to run away. Coyotes can run at a speed of 70 km/h. Hare's can run at a speed of 65 km/h. How far could the hare run before the coyote catches up? assume the hare is 25 m from the coyote
Answer: 0.35 km or 350 m
Explanation:
The coyote runs 70 km/h
The hare runs 65 km/h
The coyote is 5 km/h faster than the hare
The hare is 25 m away, 0.025 km
I will graph this. x is the time passed, y is the distance. The point of intersection is when the coyote catches up.
(0.005, 0.35)
-> The hare can run 0.35 km before the coyote catches up.
a thermometer with measurements divided into tenths is more ____ than a thermometer with measurements divided into whole numbers
Answer:
Accurate would be the answer I believe.
Explanation:
A thermometer would be more accurate in tenths because it can get much closer to the actual value of the temperature that is being read. Let's say someone has a temperature of 98.7 a thermometer that is in the tenths would be accurate and say that the temperature is 98.7, but if it was in whole numbers it would have to round the temperature, which would be inaccurate.
Accuracy: description of how close a measurement is to an accepted or true value.
Answer:
Accuracy would be the correct answer.
Students were given various animal pictures. They were told to work in pairs, observe the animal pictures, and list some characteristics they could use to classify the animals into groups such as vertebrates and invertebrates. What characteristic do all animals have in common?
AlaskaFishing
10 minutes ago
Biology
High School
A man who is heterozygous for type A blood has children with a woman who has type O blood. What is the probability they will have a child with type O blood?
100%
75%
25%
50%
0%
Answer:
75%
Explanation:
3/4 of the phenotype will have O blood group, and 1/4 will have A blood group.
(04.04 MC)
Which of the following substances is needed during light-independent reactions to create glucose during photosynthesis?
Oxygen
Solar energy
Carbon dioxide
Water
Answer:
c) Carbon dioxide
Explanation:
Carbon dioxide is needed during light - independent reactions to create glucose during photosynthesis. Hence, option (c) is the correct answer.
Give a example of something being low supply what can happens to prices
What kind of adaptations did plants have to make to live on land?
Answer:
a water-repellent cuticle, sto.mata to regulate water evaporation, specialized cells to provide rigid support against gravity, specialized structures to collect sunlight, alternation of haploid and diploid generations, se..xual organs and many more
Explanation:
Hope this helps much!! From Awelch :^)
why is deforestation a key problem in LA?
Answer:
The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.
Explanation:
In rabbits, brown fur is dominant over white fur. Fur color in rabbits is an autosomal trait (not s3x-linked). Two heterozygous rabbits are crossed. What is the probability of producing a white rabbit?
8.
How do muscles work in antagonistic pairs?
Both muscles always contract at the same time.
When one muscle pulls, the other muscle relaxes.
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4. The video mentions that many toxins, such as many pesticides, do not necessarily stay isolated to the area where they are intended to be placed. Explain.
Toxins, such as many pesticides, do not necessarily stay isolated to the area where they are intended to be placed because they can be washed by underground water.
What are pesticides?Pesticides are chemical substances used to eliminate insects and other pests from the Earth's surface.
Pesticides can have a systemic effect, which also means that they do not stay in a specific location.
In conclusion, toxins, such as many pesticides, do not necessarily stay isolated to the area where they are intended to be placed because they can be washed by underground water.
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In what way can the human circulatory system be described as double circulation?.
Answer:
Explanation:
The human circulatory system has three key components: blood vessels, blood, and the heart. It is called a double circulatory system because blood passes through the heart twice per circuit.
The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns to the heart.
The left pump sends the newly oxygenated blood around the body. When this blood returns to the heart, it has returned to a deoxygenated state.
Blood Passes Through The Heart Twice Per Circuit
Blood enters the heart:
Deoxygenated blood from the body enters the right atrium of the heart.
Blood pumped to lungs:
The right ventricle pumps this deoxygenated blood out of the heart and towards the lungs.
Lungs oxygenate the blood:
In the lungs, the deoxygenated blood exchanges carbon dioxide for oxygen. This is how it becomes oxygenated (contains oxygen).
Blood returns to the heart:
Oxygenated blood returns to the left atrium of the heart.
Blood pumped into the body:
This oxygenated blood is pumped out of the heart and to the body by the left ventricle.
Blood returns to the heart:
The oxygenated blood gives its oxygen to body cells in exchange for carbon dioxide. The blood becomes deoxygenated and returns to the heart.
What are some producers, consumers,
scavengers, and decomposers you have seen in your
neighborhood?
Answer:
Producers: oak trees, flowers, maybe pine trees
Consumers: Squirrels, spiders, dogs, cats
Decomposers: Wild mushroom, fungus on rotting food
Scavengers: Crows, possums, ants
Explanation:
The picture below is a model of the process of translation from the Gizmo Simulation. Label the key parts of this process by matching the number with the correct term.
The number 1 represents the promoter region that initiates the process of translation. The number 2 represents the mRNA strand that synthesizes codons that codes for specific amino acids.
What do you mean by Translation?Translation may be defined as a biological process through which a cell makes proteins with the help of genetic information carried by mRNA.
The number 3 represents the region of tRNA, which is an adaptor molecule between mRNA and ribosomes. The number 4 represents the process of ribosome assembly which is the foundation of protein synthesis. The number 5 represents the initiation of protein synthesis.
Therefore, it is well described above.
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