Amino acid is to protein as
a. fat is to lipid.
b. dna is to rna.
c. sugar is to fat.
d. simple sugar is to starch.

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Using the periodic table, determine which material is most likely a good conductor

What is the average speed of a car that traveled 300.0 miles in 5.5 hours