19 When alpha particles are incident on a thin metal foil, most of them pass through undeviated. What does this observation reveal about the nature of the atom?
A
The atom has a dense nucleus.
B
The atom is mostly empty space.
С
The atom is very small.
The nucleus of the atom is positively charged.
D

B

Explanation:

According to Ernest Rutherford explanation most of the alpha particle passed through the foil undeflected it is because most of the space in an atom is empty

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

happy to

pls mark as brainliest.

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible