Most of the organisms on earth get energy from the sun. how is the energy flowing through the ecosystem pictured on the top

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

How many cells are our body made of ? ♡

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.