Which receives the most solar radiation? a. the oceans
b. the polar zones
C. the temperate zones
d. the tropics

Acompound is found to contain 6.1% hydrogen and 93.9% oxygen. find it’s empirical formula.

Drive down any three characteristic of modern periodic table

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.