Question

HELP PLEASE! I ASKED IN THE SCIENCE AREA BUT THEY WOULDN'T HELP! FAN+MEDAL

Answer 1

outgassing
vaporization
photodissociation

Question 2. 2. Which of the following conditions characterizes atmosphere III? (Points : 1)
hydrogen- and helium-rich
water vapor- and carbon dioxide-rich
nitrogen- and oxygen-rich
nitrogen-rich and oxygen-poor

Question 3. 3. Which of the following layers of the atmosphere were most influenced by the transition from atmosphere III to the modern atmosphere? (Points : 1)
thermosphere and stratosphere
mesosphere and troposphere
troposphere and stratosphere
troposphere and thermosphere

Question 4. 4. Which gas in the atmosphere protects living things from ultraviolet light? (Points : 1)
carbon dioxide
ozone
oxygen
water vapor

Question 5. 5. Which stage of atmospheric evolution is characterized by conditions rich in water vapor and carbon dioxide? (Points : 1)
atmosphere I
atmosphere II
atmosphere III
modern atmosphere

Question 6. 6. Which of the following produced most of the oxygen that is found in the atmosphere today? (Points : 1)
living organisms
photodissociation
condensation
outgassing

Answer 2

What school and grade are you in?

Answer 3

K12, freshman year.

Answer 4

me too @jacobbirddog

Answer 5

O.o b for number 4 6 is a i think but i am only in 7 grade in k12

Answer 6

9th grade?

Answer 7

you?

Answer 8

Yup

Answer 9

@ganeshie8 please help.

Answer 10

what grade you know?

Answer 11

k12 7th grade sorry i cant help with this :'(

Answer 12

omg! I have the same test but im in 8th :(