30. What was the range in average plant growth? 31. What is the average value of the average plant growth?

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.