Answer:
The proportion of oxygen went up because of photosynthesis by plants. The proportion of carbon dioxide went down because: it was locked up in sedimentary rocks (such as limestone) and in fossil fuels. it was absorbed by plants for photosynthesis.
Explanation:
7. DIfferential heating Is t<span>emperature is a measure of energy of molecules in a substance. The hotter they are the more they move. The Earth's surface temperature is controlled mainly by solar </span>heating<span> which turns changes at dawn and sunset!
</span><span>Where is the sun’s incoming solar radiation the strongest? The equator
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Answer:
B anti inflammitory medications
Explanation:
Rheumatoid arthritis, or RA, is an autoimmune and inflammatory disease, which means that your immune system attacks healthy cells in your body by mistake, causing inflammation (painful swelling) in the affected parts of the body. RA mainly attacks the joints, usually many joints at once.
Answer:
This is an example of founder effect.
Explanation:
Founder effect may be illustrated as the loss of genetic variation in a novel small population originated from the original population. The concept was initially presented by Ernst Mayr. It can be seen that genetic diversity has got reduced in the population of iguana due to the result of the flood that has washed all the iguana without webbed feet into the sea.
The new population has got inclined from the small iguana population. Thus, the iguana population is regarded as an illustration of the founder effect.
When the sun is above the horizon and when the sun is below the horizon it is winter