B. trenches .......................
Many kinds of prokaryotes and eukaryotes contain a structure outside the cell membrane called the cell wall. With only a few exceptions, all prokaryotes have thick, rigid cell walls that give them their shape. Among the eukaryotes, some protists, and all fungi and plants, have cell walls.
Answer:
Both the arguments are valid.
Explanation:
Claire thinks enough food should should be produced for everyone, because the world's population is rapidly increasing. Don thinks the environment should be kept in mind, because our environment is getting ruined every second. Hence, both arguments are valid.
Answer:
The plant which I think it says clover i can see
Explanation:
plants are primary sources of energy because it makes it own food and doesn't take form other animals.