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Zanzabum
3 years ago
11

The sawing and grinding action of rock fragments in the water is called what?

Biology
2 answers:
PIT_PIT [208]3 years ago
8 0
That thing is called abrasion.
Lady_Fox [76]3 years ago
3 0

Answer: Abrasion

Abrasion is a geological phenomena in which weathering and erosion of the rocks or other hard surfaces by physical agents like water and wind. In this process, the surface material is scrapped, scratched and wear down by the frictional force exerted by the physical agents.

The sawing and grinding action of the rock fragments in the water is called as abrasion because here the water is the physical agent affecting the physical structure of the rock.

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Who is Thomas Malthus and what were some of his theories?
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Answer:

Thomas Robert Malthus (born 1766) was a British Reverand and Scholar,. He was nfluential in Political Economy and Demography. Between 1798 and 1826 Malthus published six editions of his famous treatise. THOMAS wrote a book called "AN ESSAY ON PRINCIPAL OF POPULATION." He became known for his theories on population and factors on population growth.

Explanation:

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4 years ago
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4 years ago
Which of the following is present in a prokaryotic cell?
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The correct answer is B. Ribosome

Explanation:

In biology, cells are mainly classified as eukaryotic or prokaryotic. Each of these types of cells has different features, to begin with, eukaryotic cells are those that contain a defined nucleus and are part of both unicellular and multicellular organisms. On the opposite, prokaryotic cells do not have a defined nucleus or a nuclear envelope and are mainly present in unicellular organisms, besides this, they lack mitochondrion, Golgi apparatus or chloroplasts that are present in eukaryotic cells. However, prokaryotic cells still contain DNA, ribosomes, vesicles, and vacuoles. According to this, the one that is present in a prokaryotic cell is ribosome.

6 0
4 years ago
4. Root cells of plants take in some minerals from the surrounding soil by spending
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4 years ago
The law of segregation states that:
DanielleElmas [232]

Answer:c. each of two alleles for a given trait segregate into different gametes.

a. it possible to determine the genotype of an individual of unknown genotype who exhibits the dominant version of a trait

Explanation:

The law of segregation of genes is examplifed with MEIOSIS 1 ,where sister chromatides ( alleles of a gene on the same locus) separated and behave independently of each other by positoning themselves on different spindles at Metaphase 1 for crossing over and independent assortment.

They migrated independently at Anaphase 1 to reach the equators which afrer telephase 1 and Telophase 2 i are located in different gametes.

Therefore the alleles of the genes behaved independently of each other,carting different genetic components to gametes.

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