Answer:
During Prophase 1 the crossing over of the homologous pairs of chromosomes exchange parts of each other which can result causing new traits.
During independent assortment chromosome pairs align randomly during metaphase I which also creates diversity.
Random Fertilization makes up genetic diversity because of the mixture of each unique sperm with each individual egg.
Explanation:
The ozone later; chlorofluorocarbons
Blood vessels keeps clots from sticking as long as their endothelium is intact and healthy.
Answer:
i believe it is B ( a dog pants after running)
Explanation:
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Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use. Materials from the land's surface can move through the soil and end up in the groundwater. That is why pollution can contaminate an aquifer.
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