Name two gases in the atmosphere that are essential for life

1. how do glaciers weather rocks? 2. how does water weather rocks? 3. how can plants weather rocks? 4. how does ice weather rocks?

Using the overall equation for photosynthesis, explain which components relate to j. b. priestley's observation that "plants restore the air that animals injure.

What can you infer about the growth of the seed represented in the graphs below?

In the parietal cells, the enzyme carbonic anhydrase causes a reaction between which two compounds or molecules?

Give3exampleof semipermeable membrane

How has the discovery of DNA affected the classification of protists (check all that apply) 1) many scientists wants to get rid of the kingdom Protista 2) some organisms have been moved out of the kingdom Protista 3) classification is generally

Abnormal skin conditions such as abscesses, vesicles, and macules are described using what term

Place or object used for comparison to determine if something is in motion

A scientist on a field trip discovered a new organism. She examined its cells under a microscope and observed several different structures, including a nucleus, a cell wall, and some chloroplasts.

an experiment was done to determine if the rate at which an egg cooked depended on the temperature of water in which was boiled. what is the independent variable