Think of a scenario where human activities affect the biodiversity in an ecosystem. describe the activity and the effect it has on the species in the ecosystem. give at least two specific example.

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

Distance that the transcontinental railroad covered from omaha to san francisco.

Find the volume of 3, 8 and one third and 10 and 2 over 5