Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
carbon dioxide hydrogen nitrogen oxygen
A B C D
Question: Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
A. carbon dioxide
B. hydrogen
C. nitrogen
D. oxygen
Answer:
Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
oxygen carbon dioxide hydrogen nitrogen
A B C D
Question: Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
A. oxygen
B. carbon dioxide
C. hydrogen
D. nitrogen
Answer:
A
Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
carbon dioxide hydrogen nitrogen oxygen
1 2 3 4
Question: Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
1. carbon dioxide
2. hydrogen
3. nitrogen
4. oxygen
Answer:
4
Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
carbon dioxide hydrogen nitrogen oxygen
N H W X
Question: Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
N. carbon dioxide
H. hydrogen
W. nitrogen
X. oxygen
Answer:
X
Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
oxygen carbon dioxide hydrogen nitrogen
N H W X
Question: Cindy learned that trees release gases into to the air during photosynthesis. What gas does a tree release?
N. oxygen
H. carbon dioxide
W. hydrogen
X. nitrogen
Answer:
N