<span>The immune system is a network of cells . Tissue,and organs that help defend the body.
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Answer: Metric System
Explanation: The metric system is a more logical way of explaining measurements because it uses base ten to go up or down in the scale of measurement. This makes it more efficient and reasonable, on top of being easier to learn.
Answer:
chewing gum
Explanation:
when chewing gum you'll likely think back to the last time you had gum. The trick is to study while chewing gum and, when you chew another piece of gum, you'll remember back to when you had it earlier along with the information that you remembered as you were chewing the gum.
Answer:
it is the third option: DNA reads the nucleotide sequences found in genes. Genes are located on tightly wound structures called chromosomes.
Explanation:
Agricultural chemicals is an example of a nonpit source of freshwater pollution