65 million years ago there was a mass extinction that is best kno

A (n) is a chemical substance used to treat, prevent, or diagnose a disease or alter one or more functions of the body.

What is the difference between thermal energy, temperature, and heat

Sponges can reproduce sexually and asexually, but avoid self-fertilization. What is an advantage of avoiding self-fertilization? Why would budding an exact clone be better?

3x+5y=-16 -2x+6y=-36

What is indirect evidence in science

Write a chemical equation for solid cadmium hydrogen carbonate decomposes to yield solid cadmium carbonate, water and carbon dioxide gas

The volume of 1 mole of o2 gas at T=273k P=1atm is? A 6.02 x 10^-23 ml B 760 L C 22.4 L D 2.24 L E 224 L

What is one way to tell that a solid has formed a solution with water?

The terms vitrification, oxidation, water smoking, and flashing are all associated with: Select one: Select one: a. spanning openings with bricks or other masonry units. b. cleaning bricks after masons install them. c.

In the reaction Mg+Cl2=MgCl2 what should be the coefficient for Cl2