Bladder, I believe. But they are saying that my answer must be 20 Characters long...
Igneous rock is the answer
Eroding the rock slowly away
Good Luck :) !
Many scientists believe that greenhouse gases<span> are directly causing glaciers in all parts of the world to melt and recede at an unprecedented rate.
This is what these scientists believe. If you had any options, it would be best for you to write them down here.</span>
Answer:
C. in areas with different air pressures
Explanation:
"Convection currents occur within:
The geosphere – plate tectonics
The atmosphere - wind
The hydrosphere - ocean currents"
Hope this helps u.