Why is the force of gravity greater on Earth's surface than on Pluto's surface? O A. Earth is closer to the sun than Pluto is. O B. Earth has only one moon, while Pluto has three. C. Earth has a heavy atmosphere and Pluto does not. O D. Earth is more massive than Pluto.

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

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

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?