Na chemical reaction, the total mass of the reactants is 10.0 grams. after the reaction, the total mass of the products must be: exactly 20.0 grams. more than 10.0 grams. less than 10.0 grams. exactly 10.0 grams.

Should this be a boy or a girl i know its horrible just me out

Some singers, especially sopranos, are often given what title because of their egoistic tendencies? a. coloratura b. diva c. star d. profundo

Which of the following is an example of the endocrine system maintaining homeostasis? detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response discharging an excessive amount of hormones in the blood and not sending a signal to stop production releasing hormones that speed up heart rate and blood pressure while slowing body functions like digestion and growth using sense organs to get information about the outside world and direct an appropriate body response release