Which of the following anterior pituitary hormones stimulates the gonads to secrete progesterone and/or testosterone?A.) Growth hormoneB.) TSHC.) Luteinizing hormoneD.) Melanocyte-stimulating hormoneE.) Corticotropin

amber has allowed scientists to study dna that has been preserved over millions of years.

i'd say that the moon rock is about 2.2 billion years old.

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.

if you know your abc's you should be able to get your answer or just use google