Jet streams are fast moving air currents much like how a river is a fast moving water current so the answer is jet streams.
Answer:
He used peas because they are self pollinating,they grow fast,and they have many traits
Answer:
1. Adenine
2. Thymine
Explanation:
These are the four nitrogen bases of DNA nucleotides. It's just something that you have to memorize in order to be able to successfully study DNA. In case you are asked which base pairs with which, always remember this saying about base pairs: A and T, and, G and C.
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Cell-mediated immunity <span>provides defense against viruses, abnormal cells, and other intercellular pathogens.</span>