Which characteristic below describes a jaguar’s niche? A. Hunts during the night
B. Has a coat with dark spots
C. Gives birth to up to fours Cubs
D. Has a life span of 12 to 15 years

What are four key elements of the study of economics?

Look at the photo of the leaf. which term best describes this leaf?

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