Large crystal rock that cools inside earth

How do birds deal with their eyes drying out at high speeds?

What is one human activity that affects the water cycle?

Is light needed in the Calvin Cycle

You have a 12 sided cube that is numbered from 1 to 12. What is the probability of rolling a 5? 50% 1/10 1/12 75%

Which of the following is a primary function of the active site of an enzyme?

A population is defined as all of the inhabitants of a given country or area considered together. a. True b. False

How does random fertilization add to genetic variation? a) reshuffling of randomly picked up chromosomes b) random fusion of genetically unique gametes c) exchange of genetic material between homologous chromosomes

When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat, the energy of the light wave is what?

Which statements about a child with brown eyes must be true? Choose more than one answer

I observe that squirrels that live in the southeastern United States are much thinner than squirrels that live in the northeastern part of the country.