Answer:
One possible cause of persistent sadness could be depression
Explanation:
B I’m pretty sure ! Hope this helped
Answer:
The most diverse group of seedless vascular plants are <u>the ferns .</u>
Explanation:
Ferns -
Ferns are the most advance seedless vascular plants and is the most diverse group . Ferns have branching roots and large leaves . But the whisk ferns , have lack of roots and leaves due to evolutionary reduction . In the process of evolutionary reduction , the natural selection reduces the size of the structure which no longer favors the particular environment . Hence , Photosynthesis in whisk ferns takes place in their green stem .
Answer:
B)
Explanation:
The Greenhouse effect occurs when heat from pollution is trapped in Earth's atmosphere.
