Which is a component of the biosphere?
o a.
bacteria
b. permafrost
c. mountains
d.
argon

Explanation:

Bacteria is a biological cell in a large group of microorganisms. The biosphere is a region of the surface of the earth containing living organisms. The prefix bio means living; therefore, bacteria is the correct answer. Hope this helps :)

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.