When a substance changes into a different substance,

change has occurred.

O chemical

Life

Today

O color

O phase

Tomorrow

physical

ules

Tomorrow

02:58:26 The volume of a fixed amount of gas is doubled, and the absolute temperature is doubled. According to the ideal gas law, how has the pressure of the gas changed?

Describe how the frog uses its front and hind legs to jump

The concentration and toxicity of a chemical in the body is affected by: a. route of entry into the body b. received dose of the chemical c. duration of exposure d. all of the above

You see someone on the ground in the parking lot, who appears to be unconscious. after checking the scene for safety, what should you do next?

A barometer is used to measure a. wind speed c. air pressure b. wind direction d. precipitation location

Trees, such as those in the deciduous forest, are very important to the environment. If the number of trees on earth continues to decrease significantly, what might be the result?

List two reasons why amphibians must live in moist environment.

How is the RNA molecule a "script" for the protein production process?

Which of the following statements about maltose are correct? 1. it is formed from two monosaccharide molecules of the same type 2. it is soluble in water 3. it is a reducing sugar

How do cells store energy