Is it true the heat from the sun can reach the earth through conviction

It is NOT true because space is almost completely empty. There is nothing to transfer the energy from the sun to the earth.

Hope this helps have a great day...☺

ucd e e. rr. t t t t t t. to

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.