When frozen water melts and then evaporates, heat energy has caused the water molecules to

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

What are similarities and differences between refraction, reflection, diffraction and absorption?