An element's mass number tells the number of protons in its nucleus true or false?

During most of a cell's life cycle, DNA is found in a mass of loose strands called?

An ambulance is traveling east at 61.9 m/s. Behind it there is a car traveling along the same direction at 28.5 m/s. The ambulance driver hears his siren at a frequency of 694 Hz. 28.5 m/s Car 61.

A bowling ball has a mass of 6 kilograms. A tennis ball has a mass of 0.06 kilogram. How much inertia does the bowling ball have compared to the tennis ball?

It is much easier to slice a piece of pie with the edge of a sharp knife than with the edge of a pencil. explain this in terms of applied pressure.

Which of the following is an example of Newton's third law of motion? an object accelerating toward earth a bouncing ball a floating balloon a satellite orbiting a planet

Which of the following are the top two job expectations of people who career plan? Select all that apply. A. Hours B. benefits C. type of work D. coworkers E. security

Define the term volt.

A baseball player was hit by a baseball in the left eye and complains of double vision. What should you do? A. Restrict spinal movement B. Assess pupillary response C. Perform a detailed exam D. Apply ice to orbit

An approaching storm is moving at 15 km an hour what do you need to know to determine its velocity

How did astronomers precisely determine the length of an Astronomical Unit in the 1960s?