Which graph best represents a car traveling down the freeway at a constant
speed? *

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

What layer of the atmosphere is directly above the troposphere?

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration