B
Please help
Sorry I need 20 characters to submit this Answer that’s why I’m adding more words
Answer:
B
the humidity is the % of water in the air and it is out of 100% of the air. so 10/100 is low
Well, you could get the mass as

ad then

, where

is the sea level weight,

the sea level accel.,

the accel. above while

the weight above.
Answer:
yes answer os Na because it's electronic configuration is 1s^2,2s^2,2p^6,3s^1
The best answer that I can give you is, the Plate.