Carbon dioxide goes into the atmosphere and is absorbed by plants along with water, to produce oxygen an plant structures, whether cellulose, starch, or sugar-which are then eaten by mammals.
Stresses on the Earth's system include incomplete combustion of carbon to produce carbon monoxide. The burning of fossil fuels such as oil and carbon, And also the presence of excess ozone in the upper atmosphere.
Answer:
C, both a and b
Explanation:
Momentum is something you gain, meaning it can be transferred from one object to another. When you slow down, that is your momentum being lost, meaning both and and b are correct
<span>Alveoli are specifically designed to quickly facilitate the exchange of gas from the lungs to the blood. They are very small, but with a very high surface area allowing a greater amount of gases to be exchanged in a comparatively short period of time.</span>
Answer:
2 : 1
Explanation:
- The surface area of the cube;
Area of one (1) side * 6 sides = 3 *3 * 6 = 54 cm²
Length * Width * Height = 3 * 3 * 3 = 27 cm³
- Surface area – to – volume ratio;
54 : 27 = 2 : 1
