The primary human source of greenhouse gases in earths atmosphere is:

a. Photosynthesis

b. The mining and burning of fossil fuels

c. the use of aerosol sprays

d. the removal of fossils

After Synthesis, what ploidy value describes a cell about to undergo a meiotic division in your body? 2n=46 (non-duplicated) 2n=23 (duplicated) 2n=46 (duplicated) 2n=92 (non-duplicated) 2n=23 (non-duplicated

Which statement is true about x chromosome

Which cell component is found in plant cells but not in animal cells?

Water that can be reused is called

Of the following groups-adenine, ribose, and phosphate-which are changed during the processes that convert among ATP, ADP, and AMP? Which group or groups does not change?

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.