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MAVERICK [17]
3 years ago
11

What is the core reason for many of today's environmental problems??

Biology
1 answer:
iVinArrow [24]3 years ago
5 0
Some of the core reasons are:
1) Deforestation 
2) Excessive use of fossil fuels
3) Unevenness of Garbage 
4) Increasing Population 
5) Expansion of Urban area

Hope this helps!
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alluvial fans

Explanation:

An alluvial fan is an example of a land feature formed by river erosion.

River erosion is the activity of water removing weathered materials from loose rock surfaces.

  • An alluvial fan usually forms in an area where a stream flows outward from a hill or mountain down to the valley floor,
  • It is usually fan shaped with finger-like projections outwards.
  • Close the hill, we have coarse particles like boulders.
  • The sequence fans outward as the river loses its erosisive power.

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What is unusual about the peptide bond compared to the other covalent bonds that form the polypeptide backbone?.
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When it comes to stability and the absence of atom movement surrounding the bond, <u>peptide bonds</u> behave like double bonds (peptide bonds are unusually stable compared to other types of <u>macromolecules</u>).

Peptide Bond- The -nitrogen atom of one amino acid and the carbonyl carbon of another create a peptide link, also known as an amide bond. As opposed to -amine or -carbonyl, so-called iso-peptide bonds are amide bonds between sidechain amines or carbonyl carbons.

Macromolecules- An extremely big molecule made up of hundreds or thousands of atoms, such as a protein, colloidal particle, or particularly a polymer. For instance Macromolecules include proteins, DNA, RNA, carbohydrates, and lipids.

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7 0
1 year ago
Ovulation involves the release of the _____________ from a vesicular follicle.
alexandr1967 [171]

Answer:

mature egg

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Ovulation is an event that occurs during the menstrual cycle of the female under the influence of  luteinizing hormone (LH) and follicle-stimulating hormone (FSH).  Ovarian follicles rupture and release the secondary oocyte ovarian cells from a vesicular follicle. After the release of an egg, it can be fertilized by the sperm during fertilization.

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Carl and Maria joined the cross-country team. They practiced long hours, running for miles every day. When they questioned the n
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b. the students need more mitochondria for more energy in order to build more muscle mass .  

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