Organic compounds contain bonds between what types of atoms?
a oxygen
b nitrogen
c carbon
d hydrogen
i think a

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases