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Marat540 [252]
3 years ago
11

Which of the following is not a way humans have directly impacted coral reefs? a. overfishing b. tourism c. algae farming d. agr

iculture
Biology
2 answers:
Tatiana [17]3 years ago
8 0

The Right Answer Is ...


C - Algae Farming

Sati [7]3 years ago
6 0

Answer:  d. agriculture

Coral reefs are the marine ecosystems. Many aquatic floral and fauna species inhabiting in coral reefs. Being a marine ecosystem it requires sunlight, oxygen, clear water, appropriate temperature ranges, nutrient availability to sustain life of organisms inhabiting. But human activities threaten coral reefs. Agriculture will have an indirect impact on coral reef. Fertilizers used in agriculture may reach coral reefs if the agricultural land is situation near coral reef. Plant growth nutrients present in fertilizers will promote the growth of more number of aquatic plants. This will result in eutrophication which is a condition were water body lacks oxygen making life of inhabiting organism in danger.

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Blood does not enter or leave the ventricles during the period called
babymother [125]
That would be D. Isovolumic contraction

As the name states during ISOvolumic contraction the volume of the ventricles doesn’t change and stays the same so no blood enters or leaves the ventricles. The thing that changes is the pressure of the ventricles that increases.

I can explain the process more if u want in the comments:)
8 0
3 years ago
The eletromagnetic spectrum desribes wavelengths of
KengaRu [80]
<h2>Answer:</h2>

The wavelength of <u>light</u>.

<h2>Explanation:</h2>

The electromagnetic spectrum shows the parts of light orchestrated by their wavelengths. The range for the most part comprises of both visible as well as invisible light. Together, they are called electromagnetic radiation. They are electromagnetic in light of the fact that they comprise of both an electric field and an magnetic field, and these fields travel in wave and travel at the speed of light: 3.00 × \bold{10^8} m/s.  

When the light gets scattered it gives out color in the form of VIBGYOR which is elaborately called as Violet, Indigo, Blue, Green, Yellow, Orange and red. These colors are arranged in the spectrum based upon the wavelength.

6 0
3 years ago
The diagram above represents 4 organisms. How many of the organisms represented are multicellular??
rodikova [14]
I believe it is C) 3
3 0
3 years ago
Which planets have evidence of water on the surface? Select two options. Earth Mars Mercury Neptune Saturn
3241004551 [841]

Answer:

Earth, Mars

Explanation:

Earth is the only planet on which life is known to exist. Water on earth exists in all three forms

Presence of water on Mars was recently confirmed. Though liquid water is no more present, in solid form, water is present in polar ice caps.

7 0
3 years ago
Read 2 more answers
Restriction enzymes: A) act at the membrane to restrict the passage of certain molecules into the cell. B) are highly specialize
Elenna [48]

Answer:

C) are sequence-specific DNA endonucleases

Explanation:

Restriction enzymes represent a type enzyme capable of recognizing short nucleotide sequences to cut at specific restriction sites in the DNA, these sites are known as target DNA sequences. Some of the most commonly used restriction enzymes are <em>EcoRI</em>, <em>BamHI</em> and <em>HindIII</em>, isolated from <em>Escherichia coli</em>, <em>Bacillus amyloliquefaciens</em> and <em>Haemophilus influenza</em>, respectively. Restriction enzymes are endonucleases because these enzymes only cleave the phosphodiester bond within the DNA chain, conversely to exonucleases, which cleave nucleotides from the end of the polynucleotide DNA strand.

3 0
3 years ago
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