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
Rom4ik [11]
3 years ago
10

Suppose a large number of dead fish are found floating in a lake. how would you determine whether they died from cultural eutrop

hication or from exposure to toxic chemicals?
Biology
1 answer:
Otrada [13]3 years ago
5 0
To determine the reason for the fish death, do the following:
1. Test the water for the presence of organic substances that may be poisonous to the fish.
2. Test the dissolved oxygen concentration of the lake at different locations and at different depths. 
3. Perform full toxicological examination of the lake to determine if any pollutant or poisonous chemical is present in the lake.<span />
You might be interested in
Which of the following elements is an essential element that makes up atp
viktelen [127]
I believe the answer is <span>phosphorus. Hope this helped!</span>
5 0
3 years ago
1: What is the best way to compare the ages of layers from the two different locations?
pishuonlain [190]

Answer:

Explanation:

By using the radioactive dating to compare the ages of the rocks in different layers is the best way to compare the ages of layers from the two different areas as there is a sect in a rock formation, the oldest rocks are in the bottom layer and the most newborn rocks are in the top layer. Geologists have produced a set of principles to compare the ages of rock layers. They apply these principles to organize the layers according to their corresponding ages.

8 0
3 years ago
Damage to the ________ nerve would result in near paralysis of the eye.
notka56 [123]
The answer is OCULOMOTOR NERVE.

<span>The oculomotor nerves are the motor nerves of the eye. In other words, they innervate the various ocular muscles and order them, if necessary, to contract to move the eyes, the upper eyelid ... There are three pairs of oculomotor nerves:
*The common oculomotor nerves.
*The pathological oculomotor nerves.
*The external oculomotor nerves.
</span>
The answer could not be optic nerve because damages to this nerve cause cecity.
4 0
3 years ago
Read 2 more answers
During which of these stages are the pulmonary and aortic valves open? relationships between the ecg and left chamber pressures
Aloiza [94]
Phase 2b.......................................................................................
4 0
3 years ago
Compared to many other liquids, water has a high heat of vaporization, which means a relatively large amount of heat must be add
Tpy6a [65]

Answer:

D

Explanation:

Water has a fairly high specific heat, which means that enough heat must be added to it to break the hydrogen bonds between the molecules, allowing them to move freely from each other and escape the water's surface.

3 0
3 years ago
Other questions:
  • Which of the following levels of organization is the largest,Phylum,class,order,group
    9·1 answer
  • In order to classify a mineral, scientists will sometimes scratch the mineral with a piece of unglazed porcelain and then analyz
    15·2 answers
  • Interphase occupies approximately _____ of the cell cycle.<br> 10%<br> 30%<br> 60%<br> 90%
    10·2 answers
  • Hemophilia is a sex-linked trait. A hemophilic male produces offspring with a carrier female. What are the chances that the fema
    15·2 answers
  • Write this number to two significant figures in scientific notation. Use the "^" character to indicate the exponent.
    11·1 answer
  • What's the difference between plant and animal cells?
    15·1 answer
  • A rabbit taken from a meadow near sea level and moved to a meadow high on a mountainside would have some trouble breathing. why?
    12·1 answer
  • Which answer describes basal cell carcinoma?<br><br> pls pst
    11·1 answer
  • How are Recessive and dominant alleles alike?
    11·2 answers
  • What information can a scientist learn directly from a single fossil?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!