Answer:
When white light falls upon a green surface all of the components of the white light that are not green are absorbed by the surface while the green light is scattered.
Explanation:
The atomic number of a neutral atom is equal to the number of protons and the number of electrons of the atom. The atomic weight meanwhile is equal to the sum of the number of protons and number of neutrons. In this case, the no.of protons is 19 and the number of neutrons is 40-19 equal to 21.
Answer
1. The increase of social gatherings.{A lot of people coming together in one place like school}
2. People not quarantining themselves from the outside world when they are sick
Explanation: