We people take in O2 and exhale CO2 (oxygen and carbon dioxide)
by the way
Luckily plants take in CO2 and make the C into plant material.
Therefore if you want less CO2, grow plants.
What are the two gases that animals exchange with their surroundings?
A)oxygen and nitrogen
B)nitrogen and helium
C)hydrogen and carbon dioxide
D)carbon dioxide and oxygen
Someone please help!!!
17 answers
But I was talking about animals...
People are animals. We're mammals.
Here are the answers.
1.D
2.B
3.C
4.D
5.A
6.C
7.B
8.D
9.A
10.B
11.D
12.C
13.B
14.C
15.A
16.B
17.A
Your welcome :)
1.D
2.B
3.C
4.D
5.A
6.C
7.B
8.D
9.A
10.B
11.D
12.C
13.B
14.C
15.A
16.B
17.A
Your welcome :)
are these right
the practice I have has 19 questions
yeah your right and here is the answer for the other two
18.D
19.D
18.D
19.D
Im a potatooooooooooooo (i dont belong here XD) IM NOT CHEATING I DONT EVEN HAVE THESE QUESTION SO DONT SAY IM CHEATING bai bai oh and hayyyyyyyyy CottonCandy
Hahahahahaha hey man
It is D i just took the test
1.D
2.B
3.C
4.D
5.A
6.C
7.B
8.D
9.A
10.B
11.D
12.C
13.B
14.C
15.A
16.B
17.A
18. D
19. D
2.B
3.C
4.D
5.A
6.C
7.B
8.D
9.A
10.B
11.D
12.C
13.B
14.C
15.A
16.B
17.A
18. D
19. D
^ 100% correct
Stanley Yelnats Is Right 100%!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Thanks so much stanley!!
i go to connections academy are these correct?
@:)
YOU SAVED ME
YOU SAVED ME
Thanks Stan I got it 100% correct
1 answer