What base is found in dna but not in rna?

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?