What happens during the light reaction of photosynthesis? A. Water molecules combine to make food. B. Air and water create energy for a plant. C. Carbon dioxide is combined with glucose. D. Water molecules split apart.

Imagine that you live in Colorado. Currently there is a low-pressure area over Colorado. If a high-pressure area moves in, how will the direction of the wind change?

If a tube containing a 10% sugar solution is covered at one end by a semipermeable membrane and is placed in a beaker containing a 5% sugar solution, what will most likely happen to the water? A. Water will only enter the tube. B.

Physical science includes the study of A. plants and animals B. living systems C. volcanoes and earthquakes D. what things are made of

Hydrochloric acid is secreted by which of the secretory cells of the stomach? A. chief cells B. parietal cells C. serous cells D. mucous neck cells

What is the probability of the dominant trait being expressed in the offspring of one rr parent and one rr parent?

Which describes organs in the human body? the largest living unit a group of cells that work together to perform a common function a group of tissues that work together to perform a common function the smallest living unit

Horses and donkeys can breed and produce sterile offspring known as mules. Horses and donkeys remain separate species because of this hybrid sterility, which is: 1. an allopatric barrier to reproduction. 2. a postzygotic barrier to reproduction. 3.

A group of cells working together is known as what

What do amoeba proteus, dinoflagellate, and euglena viridis have in common? a. they all can move and make their own food b. they all can move and use eye spot to locate food c. they all can move and be heterotrophic d.

How is a scientific hypothesis best evaluated?