1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
saveliy_v [14]
3 years ago
11

Why is runoff in rivers and the ocean such a serious problem?

Biology
2 answers:
scZoUnD [109]3 years ago
4 0

Answer:

Explanation:

The main danger resulting from ocean contamination from runoff is the pervasive impact upon the food chain. ... Rivers are ecosystems that many communities rely upon for food and drinking water. Contamination makes it dangerous to eat fish that contain PCBs, heavy metals, mercury or other chemicals.

musickatia [10]3 years ago
4 0

Answer:

The main danger resulting from ocean contamination from runoff is the pervasive impact upon the food chain. Chemical contaminants do not just poison or contaminate the flesh of fish and large sea creatures: but also smaller animals eaten by fish, and the plankton eaten by the smallest sea creatures.

Explanation:

You might be interested in
Which statement summarizes a change that occurs during photosynthesis? It converts visible light to high-energy gamma rays. It c
aleksandr82 [10.1K]

Answer: It converts carbon to oxygen

Explanation: During photosynthesis, plants create glucose and oxygen molecules

6 0
3 years ago
Read 2 more answers
Oswald Avery used different types of enzymes in his experiments to denature molecules including proteins and DNA. This way, he c
Neporo4naja [7]
The correct answer is A.
Oswald Avery applied several biochemical techniques to large cultures of bacteria in order to extract and purify the "transforming principle". Their experiments showed that most probably the "transforming principle" was DNA. One of the observations leading to this conclusion was that enzymes that degrade proteins or RNA (such ribonucleases) had no effect on the "transforming principle". On the contrary, enzymes degrading the DNA destroyed the extract's transforming capacity.  
3 0
3 years ago
Which is the correct order of primary succession? A. lichens and mosses, pine and spruce, small herbs and shrubs, fir and birch
kondor19780726 [428]
<span> B. lichens and mosses, fir and birch, small herbs and shrubs, pine and spruce</span>
8 0
3 years ago
Read 2 more answers
Which is a difference between proteins and carbohydrates and fats? Proteins are macromolecules; carbohydrates and fats are not.
aleksley [76]
Excess carbs and fats are stored; excess proteins are not.

Excess calories are transformed as fat when in excess, which includes protein.
4 0
3 years ago
Read 2 more answers
Membrane proteins of hamster cells were marked with a blue dye and membrane proteins of human cells were marked with a green dye
Luden [163]
Fat membrane metabolic disorder facts hamster cells were marked with a blue dye and membrane proteins
8 0
2 years ago
Other questions:
  • The images show the wings of two different organisms.The wings of the housefly and the bat are _____. This indicates that ______
    5·2 answers
  • If Sam sells 15 cups of lemonade, then he will make a profit.
    5·1 answer
  • The movement of oceans has no impact on the Earth’s climate.
    8·1 answer
  • How does hibernation help bears survive? I need this for a science grade.
    10·2 answers
  • Give me a common example of a unicellular organism and a multicellular organism.
    6·1 answer
  • For how many minutes should you flush your eyes if they come in contact with acetic acid?
    8·2 answers
  • Need Answer ASAP only 4 min
    5·2 answers
  • How society controls science
    10·1 answer
  • The main types of molecules in your body are water and carbon-containing organic molecules. To continue to live, you need to con
    10·1 answer
  • Human activities often lead to eutrophication of freshwater systems. What are the impacts of eutrophication on lakes?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!