Answer:
C
Explanation:
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Nucleic acids is the answer
Answer:
Passive transport requires energy and moves materials from areas of relatively lower to higher concentration. Passive transport dose not require energy and moves materials from areas of relatively lower to higher concentration
Answer:
An air mass can change as it moves into different environments. For example, if a continental polar air mass moves into warmer areas and over the ocean the air will warm and moisture may evaporate from the ocean surface into the air, adding humidity.
Cold and warm air masses usually come together in middle latitudes areas such as the United States, where they form weather fronts and can produce massive storms.
Explanation: