It was probably because when a area had too much pollution, they could easily migrate away somewhere else by flying, while humans have to stay everywhere. Another reason could've been that birds can adapt to places quicker than other animals.
Hope it helps!
Answer:Reverse-transcribing RNA viruses, such as retroviruses, use the enzyme to reverse-transcribe their RNA genomes into DNA, which is then integrated into the host genome and replicated along with it. ... HIV infects humans with the use of this enzyme.
Explanation:
The gel-filled space inside the chloroplast is called the stroma. The stroma surrounds the inner membrane of the chloroplast. Grana or stacks of thalakoid can also be found in the stroma.
toxic substances can increase the risk for birth defect, miscarriages,etc.
Answer:
19.2 meters/second^2 would be the correct answer.
Explanation:
