Answer:
55.4324℃
Explanation:
Q=cm△t
50J = 0.902J/（g·℃） x 1g x △t
△t =55.4324℃
Answer:
Nucleas is a cell organelle
Energy Levels of Electrons. As you may remember from chemistry, an atom consists of electrons orbiting around a nucleus. ... They are restricted to orbits with only certain energies. Electrons can jump from one energy level to another, but they can never have orbits with energies other than the allowed energy levels.
Sunlight creates straight line shadows in the air. A point of light casts a sharp-edged shadow. The shadow can be traced on paper. The size of the shadow depends on the size of the object, the distance from the light to the object and the distance from the light to the screen.
