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
cricket20 [7]
3 years ago
5

Which of the following is an example of point-source pollution?

Biology
2 answers:
kodGreya [7K]3 years ago
6 0

Answer: D. Acid from abandoned mines

Explanation:

Point source pollution can be define as the pollution that can be caused by a pollutant whose source of origin is known. As the source of origin is known the path of the pollutant can be traced back to it's origin hence, the pollution can be controlled.

Among the options given, D. Acid from abandoned mines. is the correct option this is because of the fact that the source of origin of the pollutant is known that is abandoned mines.

Nat2105 [25]3 years ago
5 0

Answer:

B. Water from a sewage treatment plant

Explanation:

Point source water pollution refers to contaminants that enter a waterway from a single, identifiable source, such as a pipe or ditch. Examples of sources in this category include discharges from a sewage treatment plant, a factory, or a city storm drain.

You might be interested in
A scientist finds an unusual object and decides to study it.
julia-pushkina [17]


The best answer is B.

The cells of a multi cellular organisms are called eukaryotic cells and have:

1. a membrane-bound nucleus

2. numerous membrane - bound organelles including the endoplasmic reticulum, Golgi apparatus, chloroplasts and mitochondria.

3. several rod-shaped chromosomes.

Because a eukaryotic cell's nucleus is said to be surrounded by a membrane, it is said to have a true nucleus.  Organelles (meaning "little organ")  have specialized cellular roles just like the organs of  the body have specialized roles.


7 0
3 years ago
Magma sometimes approaches or escapes onto earths surface, where does this magma form ?
drek231 [11]

chambers od liquid lave are inside chamber deep in the earths crust

5 0
3 years ago
Early observations of a cultured cell line indicated that the cells did not exhibit either density-dependent inhibition or ancho
pentagon [3]
The cells show characteristics of tumors.  

Tumor cells have the ability to grow and proliferate in absence of adhesion or anchoring. This is particularly helpful during metastasis when a cancer cell travels through the bloodstream to another location.
<span>
A cancerous cell has a number of mutations that regulate cell division. In addition, they exhibit impairment in DNA repair system. Therefore, cancer cell divided fast. Since the DNA repair system is nonfictional, the cells do not pause division to repair the mutation.</span>
6 0
3 years ago
If the rate ratio (rr) and its 95% confidence interval for a cohort study is rr = 1.1 (0.7, 1.6), what is the most appropriate c
irina [24]
The correct answer is B.
There's no statically significant association between the exposure and the disease. The risk ratio does not follow the normal distribution, even it does not depend on sample size in comparison groups. The natural rr is approximately normally distributed and is used to produce confidence interval which is for the relative risk.
7 0
2 years ago
What do all cells need in order to perform cellular respiration?
olga2289 [7]

Answer:

Oxygen I believe

Explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • There are _____ phyla or categories of fish. 2 3 4 5
    8·1 answer
  • The 4th question please?
    8·1 answer
  • Does any one know number <br> 7.<br> 8.<br> 9.
    12·1 answer
  • What is the temperature of earths layers?
    14·2 answers
  • Which is not classified as a living thing?
    15·2 answers
  • When cloning a gene, one of the steps is to use restriction enzymes to insert the gene of interest into a vector. If you separat
    14·1 answer
  • How does your choice of behaviour effect your ability to achieve your goals?​
    9·1 answer
  • Since infrared light is not visible, colors were artificially assigned to the photo using the following scheme:
    14·1 answer
  • Im confused its more science but yah oof
    12·2 answers
  • The example of protective food is​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!