HELP M URGENT

At the beginning of the 20th century, the convention wisdom is that the universe is static
and .
Group of answer choices

mortal

stationary

momentary

eternal

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

In saturated organic compounds, all the bonds between carbon atoms are called?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space