do and ph quiz

what is the PH scale?
1. 0-18
2. 1-7
3. 0-14
4. 0-7
how does PH get into the water?
1. people make it
2. no one makes it
3. fish produce it
4. none of the above
what does PH stant for?
1. positive hydrogen
2. potential of hydrogen
3. power of hydrogen
4. all of the above
what can reduce DO levels?
1. overfertilazation
2. fish
3. people
4. all of the above
What does DO stand for?
1. dissolved oxygen
2. dark octopus
3. dioxide oxygen
4. fish crackers
How many ways does DO help fish?
1. 1
2. 2
3. 3
4. 4
How does DO get into water
1. by diffusion from the surrounding air.
2. by fish swimming in circles
3. it comes from trees and plants leaves that colect rain water and it falls into the water
4. It comes from fish that eat plants and mud
what does DO do for people?
1. it keeps your brain healthy
2. it keeps your aquatic pets alive
3. it builds strong bones
4. it cleans your fish tank
is PH a chemical?
1. yes
2. no
3. yes but not poisonous
4. yes and very poisonous
Can PH hurt people?
1. sometimes
2. maybe
3. never
4. always