Explain why sublimation and deposition are classified as physical changes

How does a pith ball electroscope work

Galileo and heliocentric controversy

What is the frequency of this wave?

Choose the true statement (s) about binary fission in prokaryotic cells. There may be more than one correct answer. 1. Binary fission is a type of sexual reproduction which introduces genetic variation from parent to offspring. 2.

What happens to the period of a pendulum and the period of a spring as the amplitude of the oscillation increases? Briefly give an explanation for this relationship.

What is tiny holes on the surface of a plant?

How is aperture measured? What do the measurements mean?

The mass of the Sun is 1.99 * 1030 kg. Jupiter is 7.79 * 108 km away from the Sun and has a mass of 1.90 * 1027 kg. The gravitational force between the Sun and Jupiter to three significant figures is * 1023 N.

You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi end fraction at a distance of r = 7.5 cm. How much current is running through the wire?

In any food chain or web, the original source of energy is