A gazelle has learned that lions represent danger. On seeing a lion, the gazelle's heart rate increases and the gazelle runs from the lion. What levels of organization are required for this response to occur?

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

thats how its supposed to be

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8