Which of the following are chemicals?

A. clothing

B. food

C. fuels

D. all of the above

Which ph range is ideal for nitrogen in corn crops

Which factors affect growth of the human population? migration births deaths

A gas mixture containing oxygen, nitrogen, and carbon dioxide has a total pressure of 42.9 kPa. What is the partial pressure of carbon dioxide if the partial pressure of oxygen is 6.6 kPa and the partial pressure of nitrogen is 23.0 kPa?

Jim jill robert and kim each run paper chromatography on an unknown aqueous mixture. Jim gets a red band jill gets a yellow band robert gets a green band and kim gets a red band and a blue band.

What is the best definition for the underlined word based on the following sentence? "Though her poems bear no blithe comments or happy outcomes, Emily Dickinson is still regarded as one America' most talented poets of the nineteenth century." A.

How can you simulate the radioactive half-life of an element?

What are the horizontal rows on the periodic table?

What is 19 hundred thousandths in scientific notation

There state of matter that keeps its shape and volume when it is placed in a container

Our body solution tests at a pH of about 6.8. This pH is: