Question

@Abhisar
Earth's least dense elements, including hydrogen and __________, formed the planet's first atmosphere.

Answer 1

When you answered this last time you said Nitrogen and something else

Answer 2

What was the something else

Answer 3

@Somy

Answer 4

hmm Helium?

Answer 5

i thought it was amonia....

Answer 6

because earth atmosphere was full of carbon dioxide, hydrogen, water vapour, methane and amonia

Answer 7

no?

Answer 8

ammonia is not an 'element'

Answer 9

right 'cause its a gas

Answer 10

hmmmmm

Answer 11

yeah
the q is asking for elements

Answer 12

isnt hydrogen a gas

Answer 13

H2 is gas
H is element/atom

Answer 14

oh bother. this is a predicament.

Answer 15

just go with hydrogen, nitrogen and helium

Answer 16

righteo will do

Answer 17

cheers brother

Answer 18

but they are not asking u for 2

Answer 19

so its only nitrogen