What happens to a catalyst after a reaction?

What part of the brain deals with short term memory

2. Explain why carbon dioxide in the atmosphere is increasing. 3. Describe one explanation for why Earth's climate is becoming warmer. 4. Analyze the factors that have limited the effectiveness of the Kyoto Protocol.

So what's the heaviest non radioactive element. Brainliest 4 best.

The approximate recommended daily dietary intake of the amino acid valine, c5h11no2, is 2.60 g for a 100 kg adult. what is this requirement in moles?

Which statement correctly compares radio waves and microwaves? Only radio waves are used in communication. Radio waves have lower radiant energy than microwaves. Radio waves have a higher frequency than microwaves.

Butter is melted in a pan. Which of the following is true about the change? Select one: a. It is a physical change that absorbs energy. b. It is a physical change that releases energy. c.

The freons are a class of compounds containing carbon, chlorine, and fluorine. while they have many valuable uses, they have been shown to be responsible for depletion of the ozone in the upper atmosphere.

Write its complete chemical symbol including mass number, atomic number, and net charge (if any).

How would you be able to use the spectrum of each gas to establish its identity

Which does not add to the reliability of a scientific source of information? displaying data in a colored chart clearly identifying the sources of the data explaining how the data was collected showing that many scientists had reviewed the