The fuel for nuclear fusion in the center of the Sun is
A)
H.
B)
He.
C)
O.
D)
U.
E)
any radioactive material.
A
You might also like to view...
When we consider a thin horizontal layer of the atmosphere, of thickness dy, of area A, with pressure P on the bottom, with an average mass m per molecule, and nV molecules per unit volume, the magnitude of the difference of the pressure at the top and bottom of the layer is given by dP =
A. mgdy. B. mgnVdy. C. mgAdy. D. mgnVAdy. E. mgnVAPdy.
What is neutrino oscillation?
a. The three flavors of neutrino mutating into one another. b. The vibration of neutrinos to create cosmic background radiation. c. The emission of electron neutrinos from the Sun. d. Vibrational motion of neutrinos on their way to Earth. e. The vibration of muon neutrinos that causes the creation of tau neutrinos.
Why does a cloud collapse rapidly at first, and then slow down as the it gets denser?
What will be an ideal response?
The part of the visible spectrum most absorbed by water is
A) infrared. B) red. C) cyan. D) all about equally.