A certain compound has a ratio of two atoms of element X for every one atom of element Y. Suppose a sample of element X and a sample of element Y react to form 1 kg of compound X2Y. After the reaction is complete, none of the reactants are left over. Which of the following could NOT be the masses of reactants X and Y?

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.