Answer:
Explanation:
“Higher levels of carbon dioxide in the atmosphere will have no effect” is not a current theory regarding global climate change.
Global warming refers to the recent and ongoing rise in global average temperature near Earth's surface. It is caused mostly by increasing concentrations of greenhouse gases in the atmosphere. Global warming is causing climate patterns to change
The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
Water.
Sound travels slowly because the amount of pressure.
Answer:
convex lens
Explanation:
because when parallel rays of light pass through a lens are brought together through a lens
<span>Unidirectional flow in the heart is ensured because the heart contains valves that prevent backflow.
These valves keep the flow of the heart going in one direction (hence the name "unidirectional").</span>
