Which of the following is true of high cloudsa. they generally produce lightningb. they are composed mostly of ice waterc. they are the result of sublimationd. they cause most precipitation

Which of the following is not a defining characteristic of plants?

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?