Based on the information in the graph, what is the best conclusion to draw about africa?

a. the fertility rate in africa is very low.
b. africa has reached its carrying capacity.
c. the birthrate is higher than the death rate.
d. there are few resources in africa.

Describe two recent or ongoing space missions.

Most of the carbon on earth is stored in the form of

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.