Which of the following is true about neutrons?
a) neutrons provide a positive charge to the atomic nucleus.
b) neutrons neutralize electrons.
c) neutrons provide a negative charge to the atomic nucleus.
d) neutrons keep protons apart so they don't repel each other.

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next