The person to introduce the idea of an atom was
a: john dalton
b: aristotle
c: democritus
d: lavosier

What do you mean there’s no jelly beans

The sunlight shines uv radiation on earth,a microwave oven radiates waves on food

Because there is no air in the jar, the vibrations can not travel through the air and create sound.  (that's why there is no sound in space, there is no air)

Ican’t exactly answer this, but i can try to give a bit more info here.
astronomers are able to calculate a star’s life expectancy depending on its mass. (a larger star burns more gas, therefore having a shorter life span).
so astronomers can definitely predict the death of stars and the times they will die.
i hope this was in some way : )