Which type of waves DO NOT travel through space 1.electromagnetic 2.plasma 3.sound

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Describe the function of the endomembrane system? what organelles are involved?