Individuals who share a common cultural background and a common sense of identity are known as an ethnic group.

1) True

2) False

The graph gives the number of varicella (chicken pox) cases between 1972 and 2011. Varicella is an infectious disease caused by a virus. The disease causes rash, itching, and fever in patients. The varicella vaccine was introduced in 1995.

Which of these was not proposed by john dalton in 1805? A. All matter is made of atoms. B. Adams are made of protons, neutrons and electrons. C. During chemical reactions, atoms rearrange themselves. D.

According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational force depends on the masses of the objects and their distance from each other. Many stars have planets around them.

What type of organic molecule is gelatin? gum arabic? what is the function of these types of organic molecules in unicellular organisms?

What is the final volume of a gas that initially occupies 2.50 l at 298 k and is subsequently heated to 334 k?

A penny has a mass of 2.50g and the moon has a mass of 7.35 X 10^22 Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.

If a car tire has a diameter of 3232 inches, what is the approximate circumference of the tire?

9) Bettina spoke into a microphone during the school play to increase the sound of her voice so the audience could hear her speak.

Explain what happens to the average kinetic energy thermal energy and temperature of a substance when the particles in the substance slows down

Which of the following could be used to describe the rate of a reaction? change in time/change in concentration change in mass/change in concentration change in concentration/change in time change in concentration/change in mass