<h2>Answer:</h2>
Scientific questions are question which are solved involving experiments, observations, or surveys.
Like, Is cancer caused by uncontrolled cell division.
<h3>Explanation:</h3>
Scientific questions are always testable questions. They can be solved by using scientific techniques like PCR, titration etc.
Here the given question in the example can be tested, by making the observations of the cell division of the cancer patients. Then by inducing uncontrolled cell division into normal cells to look for the effect of cell division on cancer.
The questions like, "is sadness can be controlled by talking?" is not a scientific question.
Explanation:
workdone = force x distance
force = mass x acceleration
30 x 10 = 300N
300N x 1m
workdone= 300J
Answer:
I am pretty sure that it is A. H2.
Explanation:
Sorry if it's wrong.
Hydrocarbons. Most of the compounds in crude oil are hydrocarbons. This means that they only contain hydrogen<span> and </span>carbon atoms<span>, joined together by chemical bonds. There are different types of hydrocarbon, but most of the ones in crude oil are </span>alkanes<span>.</span>