Which best explains why trees are considered a renewable resource? they are useful to humans. they can be replanted. they provide a source of food. they are used to produce heat.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.