What name is given to a polymer where all of the substituents (i. e., the R groups) are in the same relative orientation (i. e., on the same side of the polymer chain) ?

What is a lewis acid

What is in the center of our solar system? Name three physical features of this object.

Why is earth's interior layered?

Think of Earth's shape. How does the shape of Earth affect the amount of heat different areas receive?

Which one of the following statements is true? The internal energy of a system will not chage if there is no heat exchange between the system and its surroundings.

Wind turbines can generate a great deal of electricity, and have become popular because there is no cost to use wind, wind turbines don't emit greenhouse gases and have several other benefits.

Salt concentration would be an example of what type of factor in an ecosystem? A. food production B. abiotic C. biotic

Describe haw serface area affects the rate of a reaction

Describe one of the major differences between oceanic crust and continental crust.

What occurs in an updraft A cool air from the east rises B cool air from the south rises C warm air from the south rises D warm air from the west rises