What are the "rungs" of the DNA ladder made of? a. amino acids
b. pairs of nucleotides
c. sugar-phosphate groups
d. ribonucleic acids
e. nucleic acids

Rotenone is an insecticide that is toxic

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.

Resperation is a way to release carbon back into the atmosphere