Sign up for FREE

Oxygen Cycle

Last updated almost 5 years ago

6 questions

1

1

1

1

1

1

Question 1

1.

Please chose the best word that completes the sentence.

photosynthesis

respiration

Question 2

2.

Please chose the best word that completes the sentence.

waste

ozone

Question 3

3.

Please chose the best word that completes the sentence.

crust

waste

Question 4

4.

Please chose the best word that completes the sentence.

waste

ocean

C

D

Question 5

5.

Please chose the best word that completes the sentence.

respiration

photosynthesis 

Question 6

6.

Please chose the best word that completes the sentence.

waste

ozone