Answer:
I think the answer is B. Sorry if the answer is wrong
Answer:
A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.
Explanation:
Answer:
oxygen decreases and co2 increases
Explanation: to try to do more gas exchange
Have sex , savor some chocolate, listen to music or eat something spicy
Answer:
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. ... While the digestive system collects and removes undigested solids, the excretory system filters compounds from the blood stream and collects them in urine.