When molecules uses energy for transportation across the cell, then it is known as "Active Transport"
So, option B is your answer.
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“No man is an island.”This saying is also true for organisms in an ecosystem. No organism exists in isolation. Individual organisms live together in an ecosystem and depend on one another. In fact, they have many different types of interactions with each other, and many of these interactions are critical for their survival.
Answer:
Combustion
Explanation:
Combustion is the chemical reaction that happens when fuel burns.