Answer:
A system that uses the sun's energy without requiring mechanical devices (pumps or fans) to distribute the collected heat are called solar system while radiator system uses fuel to heat the water. in active solar heating system, the SUN's energy used to heat water.
Positive reinforcer
<span>positive reinforcement can lead to adverse effects, and it is implicated in a range of personal and societal problems. If used inappropriately or in excess, it can change the health of a client negatively. </span>
Answer:
All of them are correct except for, "they repair carbon dioxide for photosynethesis because they just don't.
Explanation:
They don't

All cells contain a nucleus
Explanation is in the pic
Hope it helps
First one: Anaerobic, oxygen<span>.
</span>Second one: aerobic<span>
</span>Third one: fermentation.
Fourth one: CO₂
Fifth: 34-38 ATP, 2 ATP