The Hertzsprung-Russel diagram is used to show the relationship between which two characteristics of stars?

The speed of any sound wave as it travels through a medium is dependent mainly on the?

Non-living factors in an ecosystem are biotic abiotic antibiotic

Use the drop-down menus to complete the statements. investigations are best for demonstrating cause and effect relationships investigations are usually less time-consuming and less expensive investigations make it possible to study a wide range of

What is the difference between States of matter and phases of matter?

A bird has a kinetic energy of 3 J and a potential energy of 25 J. What is the mechanical energy of the bird?

A person catches a ball with a mass of 145 g dropped from a height of 60.0 m above his glove. His hand stops the ball in 0.0100 s. What is the force exerted by his glove on the ball? Assume the ball slows down with constant acceleration.

State the law of conservation of energy in your own ords

The malfunction indicator light in an OBD II system is flashing. Technician A says that this simply indicates a soft failure. Technician B says this means the problem could be damaging the catalytic converter. Who is right? A. Technician A only B.

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.