Heat increases. Smoke is hot, and as long as you have a cooler air Gulf to the burning substances, then the smoke will rise.<span>
Happy studying ^-^</span>
Answer:
I think its A
Explanation:
Because the reason why airplane have closed windows is because we can't breathe in carbon dioxide when we go up. Of course there is oxygen just not a lot as we go up. Why would there be helium in the air? We would sound weird when we skydive.
Eukaryotes are larger cells with membrane-bounded organelles.
Prokarotes are not that large and do not have a nucleus or any memberane-bound organelles.
Answer:
I am not sure but I think the answer is of first one.
Cells depend on glucose for energy.