please help will medal and fan

Planet X is a terrestrial planet in our solar system. It has 21% oxygen in its atmosphere. Humans can walk on this planet without the aid of a space suit.
Based on the description, planet A is .

(A)earth
(B)Mars
(C)Mercury
(D)Venus

Question

please help will medal and fan

Planet X is a terrestrial planet in our solar system. It has 21% oxygen in its atmosphere. Humans can walk on this planet without the aid of a space suit.
Based on the description, planet A is .

(A)earth
(B)Mars
(C)Mercury
(D)Venus

crazylizard102 · Answer

@Idkanything

idkanything · Answer

Thats obvious what do you think?

crazylizard102 · Answer

if it was obvious why would i ask

crazylizard102 · Answer

Venus

idkanything · Answer

ok earth is the answer http://webcache.googleusercontent.com/search?q=cache:-AVaFXCVeyYJ:hubpages.com/education/Fun-Facts-About-Planet-Earth+&cd=5&hl=en&ct=clnk&gl=us

crazylizard102 · Answer

thank you

idkanything · Answer

np

crazylizard102 · Answer

for sombody that doesn't know anything you know a lot

idkanything · Answer

ha ha i know a lot abt not knowing anything XD ty

idkanything · Answer

anything else?

crazylizard102 · Answer

nope i got to go anyway thanks though

idkanything · Answer

kk bye