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pantera1 [17]
3 years ago
5

21. Ang mga sumusunod ay

Biology
1 answer:
liberstina [14]3 years ago
7 0

Answer:

D. Zimbabwe

Explanation:

Dahil hindi siya nabibilang sa kanlurang Africa

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Which of the following molecules are involved in pattern formation during development?
Leno4ka [110]

Answer:

C) cytoplasmic determinants

Explanation:

Cytoplasmic determinants are special molecules which play a very important role during oocyte maturation, in the female's ovary.

5 0
3 years ago
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Please please help! I'm really behind.
kipiarov [429]

Answer:

If the oil spilled in the gulf would have been processed oil, it would be worse than a normal oil spill as these oils have a higher shelf life.

Explanation:

Oil spills happen when a large quantity of oil gets mixed with large water bodies like <em>sea and oceans</em>. The oil being denser than water floats on the surface and does not mix with the water. It forms a coating on top of the water.

The difference between processed oil and normal oil is that they are heated at very <u>high temperatures</u> and this results in oxidation which creates <em>free radicals</em>, which are not good for the body and its cells. Also they have a very long shelf life due to which they will remain on water for a long time.

When oil spills happen, the <em>wind</em> cause the spill to spread over the water surface, thereby engulfing a large amount of area. The major disadvantages of the spill are:-

  • The oil gets stuck in the feathers of the birds who come by to dip themselves,
  • Animals like whale, dolphins have blow holes for releasing water. the oil covers these holes and makes it difficult for them to breathe.
  • The fur of animals like <u>seal and otter </u>gets mixed with the oil and can prove harmful to them as it gets them exposed to cold.
  • The overall BOD of the water body decreases, and organisms which use sun rays coming inside the ocean suffer as these get blocked.
  • Since processed oil has longer shelf life, a large quantity of animals will suffer and die.
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3 years ago
Which phrase describes carbon-14 dating?
Nata [24]

Answer:

<em>"Dates the remains of organisms to determine when they died"</em>

Explanation:

Carbon-14 dating is more commonly known as carbon dating, and uses radiocarbon to determine how old an organism, for example, is.

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3 years ago
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Which species is most likely to exhibit clumped dispersion?
Sliva [168]
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Clumped dispersion. In a clumped dispersion, individuals are clustered in groups. A clumped dispersion may be seen in plants that drop their seeds straight to the ground—such as oak trees—or animals that live in groups—schools of fish or herds of elephants.
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Describe the tissue stages of development. Include information on the embryonic germ layers and what they give rise to.
Vesnalui [34]

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Gastrulation takes place after cleavage and the formation of the blastula and the primitive streak. It is followed by organogenesis, when individual organs develop within the newly-formed germ layers. Each layer gives rise to specific tissues and organs in the developing embryo.Cells in each germ layer differentiate into tissues and embryonic organs. The ectoderm gives rise to the nervous system and the epidermis, among other tissues. The mesoderm gives rise to the muscle cells and connective tissue in the body. The endoderm gives rise to the gut and many internal organs.

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