When did scientists find new evidence to support Alfred wegener hypothesis of continental drift

The compounds 2-butanol and 2-butene both contain (1) double bonds, only (3) carbon atoms (2) single bonds, only (4) oxygen atoms

What does a crystal mean

True or false. adding more neutrons to a neutrally charged atom will not change the charge

Match the formula for the following compound: acetic acid

If apples are $.67/lb, what is the cost of 2.5 kg of apples?

If methyl orange is added to a substance and it turns the substance red, what does this tell you about the pH of the substance? Would this substance be an acid or a base?

Why a preservative not added when preparing non aqueous drug solution?

What is earths surface made of?

What is the velocity of a wave with a wavelength of 0.03 m and a frequency of 120 Hz?

Momentum is a measure of the mass motion force or weight of an object