If a liquid is sealed in a container and kept at constant temperature, how does its vapor pressure change over time?
a. it continues to steadily increase.
b. it increases at first, then remains constant.
c. it increases at first, then decreases.
d. it continues to steadily decrease.

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations