Rubies are used in electronics

In a sound wave, the magnitude of the compression is ___ the magnitude of the rarefaction. greater than less than equal to

Which renewable energy resource is most likely to be found near a volcano? A. Biomass B. Geothermal C. Natural gas D. Wind

If cyanobacteria had failed to appear on Earth, how would the evolution of Earth's atmosphere most likely be different

It seems likely that a number of astronomical phenomena, such as the formation of planetary nebulas, may be caused by the interaction where two stars orbit each other at close range.

Chemical sediments that result from the evaporation of water are

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