Any trait that helps an organism survive and reproduce under a given set of environmental conditions

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?