Mitochondria is the answer.
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Explanation:
diffusion is movement of molecules from a region of higher concentration to a region of lower concentration
2a)molecules will be moving out of the cell
b)molecules will be moving into the cell
3i)molecules will be moving into the cell
ii)molecules will be moving out of the cell
iii)there is no movement since concentration is equal inside and outside the cell
<em>Although the landscape shows a certain ability to persist, underground mining activity has caused some effects such as ground fissures (cracking), disturbance of the vegetation community and damage to strata.</em>
Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).
