SCIENCE HELP PLEASE!!!!
Nutrient pollution causes algal blooms and fish kills.
Question 2 options:
True
False
Save
Question 3 (1 point) Question 3 Unsaved
In normal ecosystem low nutrient levels keep algae in check.
Question 3 options:
True
False
Save
Question 4 (2 points) Question 4 Unsaved
Which of the following contributes to excess nutrients entering the bay?
Question 4 options:
Sewage run-off
Not recycling
Agricultural run-off
Air pollution
Save
Question 5 (2 points) Question 5 Unsaved
In order to get Phase 2 to turn blue (like we saw in Phase 1), did we need more or less drops of Reagent D than what we used in Phase 1?
Question 5 options:
More
Less
Save
Question 6 (2 points) Question 6 Unsaved
Which stage of of the experiment had the MOST dissolved oxygen in the water?
Question 6 options:
Phase 1
Phase 2
Phase 3