The dots on an hr diagram represent which of the following?

a. galaxies

b. stars

c. solar systems

d. only main sequence stars

Does a force cause motion or a change in motion

At one time in the Earth's history, many people thought the world was flat. Which best explains why the model of the Earth is now round? Models are limited by the science-the more that was discovered, the better the model could be made.

What meal can you get from standing on a hot sidewalk riddle answer?

If the pressure of a gas is increased, then the volume will decre closer together. The independent variable is The dependent variable is pressure gas volume particles

4. Next discuss how Dr. Knappe used technology to measure how fast the tectonic plates are moving apart. What devices did she use?

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

What happens to particles when a substance gains energy and changes state?

The density of mercury is 13,600 kg/m³. Determine the mass of 10.0 cm³ of mercury.

A force of 250 N is applied to an object that accelerates at a rate of 10m/sec2. What is the mass of the object?

The grounded conductor and the grounding conductor are one and the same conductor and perform the same function.