Which of the following is true about renewable resources? they cannot be replaced after they are used up. using them will hurt the environment. they can be replaced by a healthy environment. there are plenty for people to use, but only for a very short time.

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?