Which sentence best describes the function of nucleic acids?
1.they store extra organic compounds.
2.they store energy for later use by the body.
3. they carry information for building and maintaining structures.
4.they provide energy to cells.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

"do a testcross with a homozygous recessive plant."

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.