Answer: Alveoli
Explanation: Alveoli is the air sacs in the lungs through which oxygen and carbon dioxide diffuse into and out of the blood.
Answer;
A) respiration of living organisms.
D)absorption of CO2 from the atmosphere by ocean water.
Explanation;
-The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion.
-Green plants remove carbon dioxide from the atmosphere by photosynthesis. Living organisms - including all plants and animals - release energy from their food using respiration. Respiration and combustion - burning - both release carbon dioxide into the atmosphere.
Answer:
All cells have CYTOPLASM and DNA.
Explanation:
my answer got deleted.
1. <span>Soil Erosion Upstream
2. </span><span>Loss of habitat
Hope this helps!</span>
According to the Doppler effect, the sound of a police car siren is louder and high pitched as it approaches the observer.
