Answer:
i pretty sure its c but i could be wrong
Explanation:
Answer:
A cell uses active transport because active transport uses energy going from high to low (against the concentraion gradient) while diffusion (passive transport which doesn't use energy) goes from low to high.
Explanation:
The pahoehoe<span> flow has a comparatively smooth or "ropy" surface. The surface of the </span>aa<span> flow consists of free chunks of very angular pieces of </span>lava<span>. This </span>difference<span> in form reflects flow dynamics. </span>Aa<span> forms when </span>lava<span> flows rapidly.</span>