The table below shows some physical properties of two unknown samples. physical propertiessample mass freezing pointa 1000 ml 0 °cb 1000 ml −95 °cwhat would best support whether the two samples are of the same substance or not? a. the two substances are the same because their intensive property is same. b. the two substances are the same because their extensive property is different. c. the two substances are not the same because their extensive property is same. d. the two substances are not the same because their intensive property is different.

The air exhaled from the lungs of a smoker has a concentration of 24 ppm co. express the concentration as a percent.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls