In an open and grassy pine savannah, fires a) leave the soil barren and without life b) prevent the growth of trees c) prevent the development of a hardwood forest d) prevent the growth of grasses.

Answer is C. prevent the development of a hardwood forest.

Explanation:

The word "savannah" is from Spanish origin which means treeless plain. It is found in a tropical and subtropical regions with few trees.

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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.