Preparing a meal involves both physical and chemical changes. Which involves a chemical change? toasting bread

boiling water

making ice cubes

slicing a carrot

If you want to create an electrical current, which situation would produce a solution capable of this

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

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