Juan was wearing a bright red shirt in a very dark room. what color did his shirt appear to the people with him in the room? a) black b) blue c) brown d) red

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

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

If a simple machine reduces the strength of a force, what must be increased?