The main function of the small intestine is absorption of nutrients and minerals from food.
Answer:
Fracking can contaminate water supplies if it is not done properly, because the fracking fluid injected into rock to enable gas to be released often contains chemicals. If the borehole is not properly cased to stop leaks, the fracking water can escape into the aquifer
Answer:
Mutation, migration, genetic drift, and natural selection are all processes that can directly affect gene frequencies in a population.
Explanation:
Answer:
<h2>
Vacuoles</h2>
Explanation:
Vacuoles (located in the cell), store water, food and waste. It acts as a storage unit for the cell.