Answer: Ground water and atmospheric water
Explanation: groundwater, which is found beneath the surface of the earth. Atmospheric water also exists. This includes water vapor in the air, such as clouds.
Answer: C. Oxygen delivery to muscle is increased when more carbon dioxide is produced by the muscle.
Explanation:
When someone is doing an exercise, for example, his heart rate increases. This increases the rate at which oxygen is carried from the blood to the muscles and carbon dioxide is moved from the muscles to the lungs, where it will be breathed out.
If two angles are supplementary to the same angles then they are congruent.
<span>Answer: C. Time of ancient life.
Paleozoic comes from Greek word palaios which means "old" or "ancient", and zoe which means "life".
it could be translated as "</span>Time of ancient life". The range of Paleozoic era is from <span>541 to 251 million years ago that could be divided into 6 smaller periods.</span>
Answer:
Well,
Explanation:
Roughly 5 billion years from now, the Sun will exhaust the hydrogen fuel in its core and start burning helium, forcing its transition into a red giant star. During this shift, its atmosphere will expand out to somewhere around 1 astronomical unit — the current average Earth-Sun distance.