What is an ion? a. an atomic or particle with a positive or negative charge b. a compound that contains two elements c. a group of two or more atoms that acts like one atom d. a particle in the nuclues of an atom that has no charge -!

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest