The inflation theories of the Universe allow for the existence of other unobservable Universes that may be expanding or collapsing.

Answer the following statement true (T) or false (F)


True

Physics & Space Science

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The Sun's composition (by mass) is approximately

A) 100 percent hydrogen and helium. B) 50 percent hydrogen, 25 percent helium, 25 percent other elements. C) 70 percent helium, 28 percent hydrogen, 2 percent other elements. D) 70 percent hydrogen, 28 percent helium, 2 percent other elements. E) 98 percent hydrogen, 2 percent helium, and other elements.

Physics & Space Science

According to Lenz's law, the induced current in a circuit always flows to oppose the external magnetic flux through the circuit

A) True B) False

Physics & Space Science

Some of Earth's rocks retain traces of the magnetic field that point backward to its field today

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

Some of Jupiter's smaller outer moons have retrograde orbits, indicating capture occurred

Indicate whether the statement is true or false

Physics & Space Science