Population of Foxes and Rabbits 50
rabbits
Number of animals hundreds
40
foxes
20
0
10
20 30
60
40 50
Months
70 80

Found evidence that the continents were joined together at one time.

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes