HELP ASAP Which of the following choices is an example of air pressure?
a-moisture causing the air to be heavy
b-molecules of mostly nitrogen pushing down on your skin
c-water vapor cooling to form clouds
d-air temperature cooling to its saturation point
convection

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service

What is the approximate time of death of the body temperature is 29.4 degrees celsius