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Sati [7]
3 years ago
6

Fertilizer runoff from farms can get into groundwater and travel to nearby streams. Then, it can eventually end up in lakes. Wha

t is one result of excess fertilizer in a lake?
Biology
2 answers:
bonufazy [111]3 years ago
7 0
Algae growth and oxygen depletion in lakes and stream, and methemoglobinemia, caused by too much nitrate-nitrogen in drinking water.
dlinn [17]3 years ago
4 0

Answer: The fertilizers that are used for the growth and development of the plants are harmful for the aquatic life when it is carried away by the run from the agricultural fields.

These fertilizers helps in the growth of the algae and it forms a layer on the surface of the water bodies that reduces the amount of oxygen inside the water.

This can lead to death of the aquatic animals in the water bodies.

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3. What is the original source of energy for all fossil fuels?
Rina8888 [55]

Answer:

the sun

Explanation:

All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis. In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun.

hope this helps

7 0
2 years ago
Read 2 more answers
A researcher conducts a study to determine the effectiveness of a chemical at removing paint from a house’s siding. The research
natima [27]
The answer is B. Scientist repeat the experiments in order to prevent bias.

Brainlest answer is always appreciated!
5 0
3 years ago
Select all that apply.
SIZIF [17.4K]

Answer:

The daughter cells have different DNA than their parents.

7 0
3 years ago
A standard PCR cycle includes three steps: denaturation (95°C), annealing (55°C), and elongation (65°C).
xz_007 [3.2K]

Answer:

Denaturation process: The DNA template  

Annealing process: Primers  

Elongation process: dNTPs and Taq polymerase

Explanation:

For the denaturing process, the only ingredient that is required is the DNA template that will be separated from a double helix (or double strand) into a single strand, by increasing the temperature to 95 C, (at this temperature the hydrogen bonds that keep together the double stranded break). After the double strand is denatured, the following process is annealing. For this, the required ingredient are the primers; these primers will hybridize or anneal according to the nucleotide complementarity to the single strand of the DNA. Finally, for the Elongation process, you will require the Taq polymerase and the dNTPs. The enzyme will synthesize or “generate” a new strand of DNA based on the DNA template, using the provided dNTPs in the direction 5’ to 3’.

I hope this clarify you inquiry.  

6 0
3 years ago
A nurse is caring for a client who has cancer. the clien has decided to stop treatment and requests a refferal to hospice
Dominik [7]
The nurse has to do as the client requested. This is because they have to observe the autonomy aspect of the ethical standard which states that the client's must be respected. Autonomy gives the patient power to make his or her own decisions concerning health care.
8 0
3 years ago
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