While in your backyard you notice an odd lump on a rock. As you move closer to observe it, you see that it does not move. You try observing it for a few days, but no changes are apparent and you note that it was cloudy on those days. After vacationing with your family for a week, you notice that the lump on the rock has grown much bigger and now some lumps have also appeared on a nearby tree. A quick look at the weather reports for the last week tells you it has been sunny and warm during your absence. Is this object living or nonliving, and how can you tell? living; it seems to reproduce, grow, and obtain energy from the sun

nonliving; it doesn't move or obtain energy

nonliving; it isn't able to reproduce

living; it is made of cells

Moving closer to the backyard I notice that there is a rock and if it has many lumps on it because of the sun then it may also be because the tree must have blocked the sunlight. You can tell if the object living or nonliving by the way it reacts to either the chemicals or the rock it is on.

Explanation:

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.