Biology, 03.01.2020 03:31 Victor3756

Science

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

Answers: 3

Show answers

Another question on Biology

Biology, 21.06.2019 18:40

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Answers: 2

Answer

Biology, 21.06.2019 20:00

How do you transfer mrna into codons ? i'm so confused : (

Answers: 2

Answer

Biology, 22.06.2019 04:10

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Answers: 3

Answer

Biology, 22.06.2019 08:30

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that

Answers: 2

Answer

You know the right answer?

Science

nutrient pollution causes algal blooms and fish kills.

question 2...

Questions