What conclusion can you draw about the number of stones and gems a country can mine and it’s wealth as a country?

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

Nucleic acid certain protein cell membranes certain carbohydrates