What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes?

1. being able to Carbon date fossils

2. X-ray Imaging capability

3. radiation treatment for cancer

4. invention of microwave cooking

Why do you think slate might be denser than shale?

Question 36 of 45 23 ✓ 66 Sounds are made when objects in air. What one word completes the sentence? Enter your answer

Which is an example of colloid

Why does a curve on a distance-time graph indicate acceleration? an increasing amount of time passes for each unit of distance a decreasing amount of time indicates a decreasing number of distance units an increasing distance is traveled during each

The frequency of which type of electromagnetic wave is just higher than that of radio waves? A) infrared rays B) ultraviolet rays C) x-rays D) microwaves E) gamma rays

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density

What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

How is a herpetologist and a ecologist similar

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?