Which of the following provides the best evidence that Earth's continents were once connected?
the discovery of fossils of single-celled organisms on all continents
the presence of volcanoes and mountains on different continents
the discovery of rocks containing similar minerals on all continents
the presence of similar and identical fossils on separate continents

the presence of similar and identical fossils on separate continents

Explanation:

this shows that species like animals that where supposed to live in the heat or other biome where seen in like alaska meaning all animals where roaming the land cold hot (: hope this helped and plz gimme brainliest

they are known to reach a speed of 21 miles per hour

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.