Radioactive decay gives off electromagnetic radiation and
a. rays.
b. particles.
c. waves.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?