In a reaction between gases, the reaction rate can be increased by -

A. increasing volume.

B. adding a catalyst.

C. lowering temperature.

D. decreasing pressure.

Variations within a species are known as: families varieties speciation none of these

What type of organism is a pillbug and where do they live?

Do mental health stigmas exist? How might stigmas affect patient diagnosis and treatment?

A balance must exist between substances entering and exiting cells. Most animals take in substances by

bipolar disorder has a strong and complex genetic component. Perhaps one reason that the genetic component of bipolar disorder is so strong is that

I need to know what groups in science only contain in metals

A scientist studies a species of bird. The males and females look very similar in color, but the males are much larger than the females. What can the scientist conclude about these birds? O A. The males compete to fertilize. O B.

After chlorofluorocarbons were banned, which class of chemicals was used in their place?

If element X has 48 protons, how many electrons does it have?

How are fats and steroids similar