Which statements out fossis are true?

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients