Which of the following correctly describes DNA? - Nucleic acid composed of amino acids
- Nucleic acid composed of nucleotides
- Protein composed of amino acids
- Protein composed of nucleotides

What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

People with one sickle cell allele are not likely to get malaria. what is this an example of?