How has the work of chemists advanced cancer treatment?

What semimetal can form four single covalent bonds.

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Displacement is the slope of a velocity vs. time graph a. true b. false