1. Why do health practitioners recommend us to use 70% alcohol than 40% alcohol as disinfectant to fight the pandemic COVD- 19?​

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next