Isotopes of elements have different:

A.) atomic masses

B.) atomic numbers

C.) electron shells

D.) numbers of protons

Question 4 Color, shape, texture, and size are properties of matter. liquid physical solid chemical

A person and a kayak paddles down river at an average speed of 10 km/hr. After 3.25 hours, how far has she traveled?

What are the factors that affect the strength of a frictional force? the acceleration of the object the color and density of an object the bouyant forces acting on an object the mass of an object and how rough the surface is

When a liquid is cooled, the kinetic energy of the particles. A Decrease B increase Cstay the same The force of attraction between the particles A Decrease B increase Cstay the same, the space between the particles A Decrease B increase Cstay the

A region of space in which a test charge experiences a force is referred to as a. zone sector field sphere

What are some reasons why a climate and weather are alike

Which of the following is considered a physical environmental hazard? A. Fire B. Lead in water C. Smoking cigarettes D. Being attacked in a dark alley

The mass of Jupiter is 1.9 * 1027 and that of the sun is 1.99 * 1030. The mean distance of Jupiter from the sun is 7.8 * 1011m. Calculate the gravitational force which the sun exerts on Jupiter, and the speed of Jupiter.

During a collision, a bus runs into a skateboarder inelastically. If the mass of the skateboarders is 70 kg and is moving at 12 m/s to the right, what is the final velocity of the skateboarder if the 2000 kg bus is traveling at 25 m/s to the left

What are hypotheses suggesting why urban children have more food allergies than children from rural areas? Select the TWO answers that are correct.