Answer:
Cancer causes tumors to grow. A cell that has become cancerous will multiply rapidly and create a tumor.
Explanation:
Answer:
If that is a picture of DNA, then nucleic acids are the most common macromolecule
Explanation:
Genetic variation<span> is essential for </span>natural selection<span> because </span>natural selection can only increase or decrease frequency of alleles that already exist in the population.Genetic variation<span> is caused by: mutation
i pulled this off of the site i got the information from i hope this helps you out if not sorry
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The answer is B
topsoil<span>. The potting soil</span>, is use for cultivating floors, grasses and
vegetables in a handle or container. <span>The potting soil</span><span> available in trades is sterilized in order to avoid
the spread of bad grasses and diseases transmitted by the plants.</span>