20. Many of California earthquakes are caused by? 1.two plates sliding past one another.
2.an oceanic plate and a continental plate colliding.
3.two continental plates colliding.
4.none of the above

The earthquakes of California are caused by the movement of huge blocks of the earth's crust- the Pacific and North American plates. ... About two-thirds of this movement occurs on the San Andreas fault and some parallel faults

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.

b.have there own function.