Apiece of lead has a density of 11.3 g/cm3 and a mass of 282.5 g. what is its volume?

25 cm3
2500 cm3
2.5 cm3
250 cm3

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12