Earth's polar ice caps, sea ice, glaciers, snow cover, and permafrost make up
which sphere?
o
a. cryosphere
o
b. geosphere
o
c. atmosphere
o
d. biosphere

answer:

a. cryosphere

explanation:

the cryosphere is the frozen water part of the earth system.

prism b but im not for sure

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .