Joey mixed vinegar and baking soda together and observed that there was a chemical change. Which of these of evidence of the chemical change that took place. (Please hurry!) A. It was white in color. B. It became to form bubbles. C. The smell of the vinegar. D. The baking soda and vinegar formed a mixture.

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

Drag each tile to the correct box. tiles bra i sequence

If a balloon is taken outside on a very cold day, what will occur?