The way a person knows whether the reaction between baking soda and an acid ingredient has ended is by the decrease of bubbles and fizz. <span />
Answer:
C . A person lifting a weight
a, c, and d are all chemical properties because they give information about how a substance will behave in the given reaction, and can’t be found without the substance undergoing some sort of chemical reaction. b, on the other hand, is a physical property—it can be determined without changing the substance’s chemical composition.
An hour is 60 minutes. So you multiple the hot by 60. You get 180 minutes plus the 75 remaining minutes. The answer is 255