Which type of rock forms as a result of cooling and crystallization? igneous

metamorphic

clastic

sedimentary

Mendel used over 28,000 pea plants in his experiment. how does this large sample size make his results more reliable? (i'm not sure about this one)

Place the labels in order denoting the sequence of events of the cardiac cycle beginning with resting membrane potential and ending with the beginning of repolarization. the first and last steps are given.

Describe the structure of a phospholipid