During and experiment what are the factors observed and measured?

Why is aluminum considered a nonrenewable resource? A. Because aluminum is created naturally B. Because aluminum can be used over and over again C. Because new aluminum deposits form very slowly D. Because humans can produce new aluminum

3. Which is true about a valid scientific hypothesis? a. It is the same as a scientific theory. b. It is a testable statement. c. It can be scientifically proved to be true. d. It is never rejected.

What does the plant create in order to reproduce offspring?

A microbiologist is working with two genera of bacteria, A and B, to determine if cells are competent.

Carrot slices placed in 0.2M salt solution for several hours becomes flaccid (limp). Carrot slices placed in freshwater for several hours becomes turgid (stiff). From this, we can deduce that the 1.

Is evolution real? Religions say it isn't.

A population of Eastern Cottontail rabbits lives in a particular ecosystem. This population's major predator is the coyote and its major food source is vegetation.

1. Which number in a chemical formula tells you how many atoms of element you have? O A. Coefficient O B. Chemical symbol O c. Subscript O D. Capitals

Which statement best describes the cycling of carbon between the atmosphere and geosphere? A Precipitation and condensation increasing the groundwater supply B Glaciers melting due to an increase in global climate temperatures C Volcanic activity

What did George Buffon contribute to evolution