A solar eclipse occurs when the moon apasses into the penumbra of Earth
bpasses into the umbra of Earth
Cpasses at a slight tilt between Earth and
the sun
dpasses directly between Earth and the sun

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.

Complete each row of the table below by filling in the missing prefix or missing exponent.

Which of the following is a physical property flammability heat of combustion solubility and toxicity