Answer:
93.6hours or 3.9 days
Explanation:
you take 156 and divide it by 5 since they get 5 gallons a trip. you get 31.2 trips. each trip is 3 hours so multiply the number of trips by three to find how long it takes
Answer:
Alloys are often stronger and less active than pure metals. Alloys have higher melting point than pure metals.
Answer:
D) Evaluating it with experimentation and argument.
Explanation:
If you don't have enough observational evidence, then you can't really strengthen your scientific knowledge, because you haven't collected enough information to answer the questions you're asking.
If you only have a few scientists working on a question, it will take longer to find an answer. With more people working on a concept, it can be solved in more time.
It can be good to create new hypotheses, but only if you've already tested your original hypothesis (with experimentation and argument), and it turned out to be wrong. Once you've rejected your first hypothesis, only then should you make a new one.
I think is NO because lowering the temperature increase of kinetic energy therefore kinetic energy is inversely to temperature.