Answer:
A. A pairs with U
Explanation:
In DNA, the nitrogenous bases are A, T, G, and C. In RNA, the nitrogenous bases are A, U, G, and C.
A pairs with U in RNA because it requires less energy to use uracil over thymine.
Hope that helps.
Answer:
developmental toxicity. im not sure though,
Explanation:
if im wrong im sorry
B I think…………… let me knowwww
Only tropical cyclones that form<span> over the Atlantic Ocean or eastern Pacific Ocean are called "</span>hurricanes<span>." Whatever they are called, tropical cyclones all </span>form<span> the same way. Tropical cyclones are like giant engines that use warm, moist air as fuel. That is why they </span>form<span> only over warm ocean waters near the equator.</span>
