Answer:
Covalent bonds.
Explanation:
Diamond is organized in a giant lattice structure with strong covalent bonds between carbon atoms. Each carbon atom forms 4 bonds. Explanation: Each carbon atom has four electrons in its outer shell, all of which form covalent bonds that are strong and hard to break.
Answer:
heroic
Explanation:
Bayer, a German pharmaceutical company, named the substance it synthesized "heroin", probably from the word heroisch, German for heroic, because in field studies people using the medicine felt "heroic".
BTW, I found this information on this wedsite: https://www.answers.com/Q/Where_did_heroin_get_its_name
Also, if you want some more history about this drug, you can visit this article: https://www.narconon.org/drug-information/heroin-history.html