Which of these is a compound? A: O B: CO2 C: O2 D: Co

For parallel and series circuits with the same resistances and voltage; the series circuit has a smaller total current. True or false?

The cone cells of the human eye are sensitive to three wavelength ranges, which the eye interprets as blue (419nm), green (531 nm), and red (558nm). if the optic nerve in the eye requires 2.

What happens to a current when the electric field in the wire increase

1. The dust and gases in outer space are called A. plutoids. B. interstellar medium. C. space debris. D. There is no special name for them.

An atom gains an additional electron. What is the overall charge of the ion that is formed? elt

The Sun transfers light energy that is transformed into what kind of energy in plants?

The siren of a fire engine that is driving northward at 30.0 m/s emits a sound of frequency 2000 Hz. A truck in front of this fire engine is moving northward at 20.0 m/s.

If an atom has 34 protons and 40 neutrons, what is the mass number?

The atomic mass of an atom (in amu) is equal to Question 11 options: A. the total number of its protons, neutrons, and electrons B. the total number of electrons C. the total number of protons D. the total number of its protons and neutrons E.

12. Which of these describes the gravitational force from a planet?" O large and pulls objects toward itself small and pulls objects toward itself O small and pushes objects away from itself O large and pushes objects away from itself