Roentgens are used to measure the amount of: a)uranium, b)fuel burned, c)radiation, d)hydrogen isotopes

Which type of neuroglia is found outside of the brain?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology