B. "batteries" that provide energy for cells
Answer:
Q1)Heart,Lungs,Arteries,Veins,Vessels
Q2)Blood vessels flow blood throughout the body. Arteries transport blood away from the heart. Veins return blood back toward the heart. Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances.
Please mark me brainliest.
Explanation:
Recessive<span> and </span>dominant alleles<span>. You will recall that genes have </span>different<span> forms called </span>alleles<span>. An </span>allele<span> can be </span>recessive<span> or </span>dominant<span>. A </span>recessive allele<span> only shows if the individual has two copies of the </span>recessive allele<span>.</span>
The answer is septic systems, agricultural chemicals, <span>leaking of landfills.
</span>
<span>Groundwater is a water under the surface of the
Earth. It is widely used as a source of freshwater. Thanks to
its underground position, it is not as much vulnerable to pollution such as surface
water. However, some leaking of landfills, septic systems and agricultural
chemicals that can reach it deep down under the surface can cause groundwater
pollution.</span>