4 FS + 16 equal to 13 ​

i think it is d. e because the next one is igneous.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

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

here are some of the ways in which chemical and nuclear reactions differ.

explanation: