Greenhouse gases are best described as . . a. the result of fossil fuel use . . b. . gases that cause the greenhouse effect . . c. . carbon dioxide and methane . . d. . gases that trap energy from the sun in earth’s atmosphere .

Add solid urea to a beaker of water. the beaker gets very cold. is δh favorable or

Aspecies of butterfly has alleles for wing color that are either blue or orange. when a blue butterfly and an orange butterfly mate, their offspring have wings that are both blue and orange. explain the process through which wing color is expressed.

What would happen if a plant could carry out photosynthesis, but not respiration? brainliest