Co2+h20+ light energy ---->02+ <span>carbohydrate Photosynthesis takes place in plants cells and sometimes in bacteria</span>
Answer:
endothermic reaction
Explanation:
This means it cannot occur without energy (from the Sun).
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.
Stress can cause a virus to switch from the lysogenic cycle to the lytic cycle.