Frame construction predominates in the New England area due to the abundance of
A: wood.

A cat jumps when startled by a loud noise. This is an example of an organism
A: sensing and responding to its external environment

Water is often put through a treatment system before it is used in homes as drinking water. Which is the most likely reason water is treated before people drink it?
A: to remove harmful substances

Which of the following is a property of CO2 gas?
A:
It is colorless.