Answer:
The jejunum is the second part of the small intestine, where most nutrients are absorbed into the blood. As shown in Figure below, the mucous membrane lining the jejunum is covered with millions of microscopic, fingerlike projections called villi (singular, villus)
C. Deforestation is where the land is converted into a NON-FOREST use.
A. Desertification is when farming, overgrazing, climate change, and/or seasonal drought change farmland into land that cannot support plant life.
Soooooo, the answer should be A. Desertification.
and yes, C would be wrong
<u>Answer:</u>
The first step in allopatric speciation is "geographic isolation".
<u>Explanation:</u>
Allopatric speciation happens when a population is geographically separated therefore also termed as "geographical isolation", it is also the very first step. In the laboratory, for instance, an isthmus that divides an ocean or fruit flies. The cultures on both ends of the barrier can not then balance one another, so each population develops independently.
Different geographical fluctuations may occur, such as continent movement and the creation of mountains, islands, water bodies, or glaciers. Human activity such as farming or growth can also alter the allocation of population groups of species.
Answer:
"it was once part of the organisms from which the fossil fuels formed"