An ostrich can run 10 kilometers in 15 minutes. what is it’s speed in kilometers per hour.

Asimply means that over time there was some sort of change.

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

What type of nuclear decay causes the atomic number of an element to increase by 1?