What do you need for an object to fly?

To fly, an aircraft needs something to push it in the opposite direction from gravity. The weight of an object controls how strong the push has to be.

answer:

science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

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