Answer:
improper disposal of sewage
Consumers because they cant make their own food
Answer:
a, b, e
Explanation:
You just have to pay attention to what you see
Answer:
b i hope it helps you !!!
Explanation:
Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in the transfer of heat.
