What is the difference between a physical change and chemical change? Please be specific and give examples of each.

What is avogadro’s number, and why is it useful

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

What metric units would you use to measure the thickness of a key