How many days are really in a year

Which transition in the hydrogen atom produces emitted light with the longest wavelength?

Which form of fossils can preserve the internal structures of an organism?

What has the greatest amount of gravitational pull of the solar system

Which of the following statements is true about both nuclear fusion and nuclear fission? They occur in the sun. Heavy atoms are split. Two light nuclei combine. Some mass changes into energy.

Carbon-14 has an atomic nuber of 6. Carbon has how many electrons? 20,8,6,14

How did scientist respond to copernicus's discovery?

In a chemical reaction where does the energy gets stored

Describe pyruvate processing

Describe the factors that affect surface and deep water currents

Which of the following would be a good use for a nonmetal? handle of frying pan electrical wires structural components in buildings coinage