When molecules are being transported opposite to the molecules concentration gradient.
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The black box because black reflects more heat than white
Answer:
inter tidal zone
Explanation:
inter tidal zone is the section of the ocean floor Wich is near the coastline of all the continents
The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons). In this case the mass number would be 11