In DNA, what base pairs with adenine?

A.) cytosine

B.) thymine

C.) adenine

D.) guanine

Thx

Does liguid pockest form when salt eveoprates

Explain why the marine ecosystem generates a significant fraction of the oxygen in the atmosphere. A) The marine ecosystem generates 32% of the world's primary producers.

Several days ago, Ravi fell and hurt his ankle. Although it bothered him a little, he continued to walk on it. When he finally went to the doctor for X-rays, he found that he had a broken bone.

Why is artificial erosion a concern if erosion can occur naturally? a. Artificial erosion changes environments while natural erosion does not. b. Artificial erosion occurs at a faster rate than natural erosion. c.

List some medical problems caused my chiggers, mites, scorpions, spiders and ticks?

What produces acid, oil, and an antibacterial substance to defend against pathogens? on skin eyes nose

Which of these provides the most creative explanation for why sediments form horizontal and parallel layers? Law of Superposition Law of Unconformities Principle of Uniformitarianism Principle of Original Horizontality

Chris has been competing all day in a track competition and is now ready for the 100-meter dash. Although he feels tired, which of the high-energy muscle compounds can he rely on for quick energy in this event?

What happened to energy imports from about 1979-1986

What are the two steps of signal detection? a. the category of stimulus and the observer's criteria b. the intensity of stimulus and the observer's criteria c. the category of stimulus and the conduction velocity d.