Answer:
D
Explanation:
The trout are disappearing from the river because of the thermal water pollution, which is causing the high water temperatures.
Necessary because it keeps heat in and keeps the planet at the right temperature for life.
It can harm the planet if more pollution occurs and the greenhouse gas effect traps too much heat and causes global warming
alpha cells are glucagon and beta cells are insulin
Answer:
Concentration Gradient
Explanation:
This means that it will move from a region where it's in lower conc to a region of higher conc
Answer:
Explanation:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. :)