| A | B |
|---|
| dependent variable | "factor being measured or observed in an experiment" |
| deposition | 'the process by which sediment is carried by forces (e.g. wind |
| diffraction | "the change in direction of a wave caused by passing by an obstacle or traveling through an opening" |
| dominance | "tendency of certain (dominant) alleles to mask the expression of their corresponding (recessive) alleles" |
| ecosystem | "an ecological community, together with its environment, functioning as a unit |
| efficiency | "the relative effectiveness of a system or device determined by comparing input and output" |
| electromagnetic radiation | "the emission and propagation of the entire range of energy including: gamma rays and x-rays etc..... |
| electron | "a stable elementary particle that is negatively charged and orbits the nucleus |
| entropy | "a measure of randomness or disorder of a closed system" |
| erosion | "a combination of natural processes in which materials from Earth's surface are loosened, dissolved, or worn away and transported from one place to another. |
| fossil fuels | "the remains of animal or plant life from past geologic ages that are now in a form suitable for use of energy (oil, coal, natural gas) |
| frequency | "the number of cycles or waves per unit time " |
