Reed is trying to create a model that represents the movement of the Earth's crust. He places a beaker with water in it on a heating source that has two wood blocks floating on the surface of the water. As the water heats up it rises to the surface causing the blocks to move away from each other.

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?