DDT was hazardous because it:
A. decomposed too quickly
B. killed everything it was sprayed on
C. increased the amount of bacteria in soil
D. was carried all over the world by wind

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

What are examples of the plant life and animal life that can be found in each type of terrarium

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?