Why do scientists use models?

What happens when the temperature of a solution increases?

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5