Make up 2 stories that can be placed on a distance time graph and show how each would look on a graph. Draw pictures to illustrate the stories.

Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

How can you tell the difference between rough er from smooth er?