True or false: A CD has small grooves in it to play music.
1. False
2. True

Which of the following is an oxidation-reduction reaction? (pictured below)

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?