Which of the following is a characteristic of science? (2 points) Оа
Testing many variables at once
Ob
Each scientist gets unique results when doing the same experiment
Ос
Using controlled conditions
Od
Starting with the answer that you want

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.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?