What is a positive impact of artificial fertilizers

Hydrogen fuel requires vast amounts of electricity. a. True b. False

Which of the following forms of vegetation would probably appear first on the bare rocks

A yo-yo is swung around the head of a person in a horizontal circle. What provides the centripetal force on the yo-yo?

Which best describes the electromagnetic force? A. weak, but stronger than the strong force B. strong, but weaker than the weak force C. weak, but stronger than the gravitational force D. strong, but weaker than the gravitational force

Explain objects in space motion. How do they move? What affects their motion?

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?