true or false: an oxygen atom can absorb any frequency of light to cause it's electrons to increase in energy

A cross country skier can complete a 7.5km race in 45 minutes. What is the skier's average speed?

The sides of a square baseball diamond are 90 feet long. When a player who is between second and third base is 60 feet from second base and heading towards third base at a speed of 22 feet per second, how fast is the distance between the player and

Earl is using his hands to hold a metal pan 10 centimeters above a hot burner. how can this scenario be changed to demonstrate conduction between the pan and the burner? a. increase the temperature of the burner b.

Which material is malleable and conducts electricity? A. wood B. oil C. ice D. metal

Calculate the energy needed to heat 4 kg of water from 25°C to 45°C. heat = 80 Kcal 100 Kcal 180 Kcal 280 Kcal

In what ways, would understanding the body positions, directions, and planes assist you with tasks related to the integumentary, skeletal/muscular, and digestive systems

Concave & convex lens of same mass & radii rotate about an axis passing through their centre & perpendicular to the plane which one will have greater mnment of inertia

Which of the following statements is true? A. Both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction. B. Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. C.

A star may form a black hole once it cannot?

Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip. Which best describes Kai's roundtrip?