A wave has a wavelength of 15 mm and a frequency of 7 hertz. What is its speed?

One chlorine atom combines with one sodium atom. how many potassium atoms do you think combine with a chlorine atom?

Make sure you have a copy of the Plan an Investigation Student Guide for this lab. Also, be sure to follow all safety guidelines. If you need to review them, refer to the Lab Safety Agreement. Use the drop-down menus to answer the questions.

If you drew magnetic field lines for this bar magnet, which statement would be true

What oxigen rich reaches cells in the body through small blood vessels

What type of mixture is Skittles candy?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have