Which nucleotide bonds with Cytosine in RNA?
A. Thymine
B. Uracil
C. Adenine
D. Guanine

List charasteristics of athenosphere

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Which of the following explains why a tree is often used as a model to represent the principle of common descent