Gravity holds in place the gases that form the Earth's atmosphere, and the survival of life on the planet hinges on the right balance of these gases. In photosynthesis, plants constantly absorb and release atmospheric gases in a way that creates sugar for food. This process plays a critical role in maintaining a healthy, life-promoting atmosphere.
The answer should be B). Helpful traits passed to the next generation through reproduction.
B is correct because in natural selection, if a population cannot adapt over time it will be “naturally selected” and die off, or be near extinction due to non-adaptive ness. Hope this helped!
The first one, Added removed or changed. Mutation as in anything that would cause the slightest change.
After my research the answer is that they are forms of electromagnetic radiation as far as I know.
Answer: The Pulmonary Arteries
Explanation: They are two pulmonary arteries with on serving each human lungs, which brings deoxygenated blood to the lungs from the hilium. The arteries go into the capillaries of the alveoli. Capillaries are the thinnest ,smallest blood vessel,they supply oxygen to single tissues in all parts of the human body.