Answer:
A. greenhouse effect
Explanation:
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere. Climate change results from the shedding of gases like CO2 into the atmosphere where it can trap more heat.
DNA is the genetic material that controls cell activities<span>. </span>In eukaryotic cells<span>, the membrane that surrounds the </span>nucleus<span> which is commonly called the nuclear membrane , partitions this DNA from the </span>cell's<span> protein synthesis machinery, which is located </span>in<span> the cytoplasm.</span>
B because your blood goes to organs and give the body nutrients.
Answer:
Which statement is true about biodiversity?
Human activity can improve, maintain, or hurt biodiversity
Explanation:
Biodiversity entails having different varieties of organism spread all over every habitat across the globe. Human activities could help biodiversity as well as reduce it drastically