multiple choice: select the best answer and click "submit."
Chemistry, 16.10.2019 11:50 Cleotilde14151
Question 10 of 10
multiple choice: select the best answer and click "submit."
during a lightning storm, the jones family notices their computer has shut off. when they turn it back on, it functions properly. what should they buy to protect their computer during future lightning storms?
a. a surge protector
b. a circuit board
c. a power surge
d. a ground wire
Answers: 2
Chemistry, 22.06.2019 04:30
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
Answers: 2
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
Answers: 2
Question 10 of 10
multiple choice: select the best answer and click "submit."
multiple choice: select the best answer and click "submit."
History, 25.10.2019 13:43
English, 25.10.2019 13:43
Mathematics, 25.10.2019 13:43
Mathematics, 25.10.2019 13:43
Mathematics, 25.10.2019 13:43
Mathematics, 25.10.2019 13:43
Chemistry, 25.10.2019 13:43
Biology, 25.10.2019 13:43
Social Studies, 25.10.2019 13:43