<span>Transfer of materials into a cell against a concentration gradient from low to high concentration requires active transport because you need energy for it to happen since its going againist the concentration gradient.
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B) climate
Climate is influenced by all of the factors listed in the question, as well as ocean currents, temperature and percipitation.
Answer:
Negative Feedback Loops- <em>dampen changes</em>
Positive Feedback Loops- <em>enhance changes</em>
I hope this is what you are looking for!
Liquids can evaporate at room temperature<span> and at an average air pressure. Evaporation happens when atoms or molecules release from the liquid and </span>turn into<span> a vapor. </span>
Oxygen
Oxygen is the final electron acceptor, no part of the process - from the Krebs Cycle through the electron transport chain- can happen without oxygen. Aerobic respiration is complete
