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Darya [45]
3 years ago
6

A solar eclipse occurs when the moon

Biology
1 answer:
Mandarinka [93]3 years ago
7 0
The correct answer is passes directly between earth and the sun
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Which cells of the nervous system protect the cns by phagocytosing viruses, microorganisms, and tumor cells?
alexandr402 [8]
The correct answer is microglia.
<span>Microglia is glial cells found in the central nervous system with the protective role. Because they are the resident macrophage cells, they act as the first and main form of active immune defense. Microglia is constantly cleaning the CNS for plaques, damaged or unnecessary neurons, and infectious agents, like viruses or other microorganisms.</span>
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Which of these factors is associated with sustainable farming?
s344n2d4d5 [400]

Answer:

The answer is D. Food security

Explanation:

Sustainable Agriculture:

Sustainable agriculture or farming is a combination of agricultural policies, practices and measures that yield the maximum profits and benefits without negatively impacting the environment.

Sustainable agriculture, as an idea, basically means to utilizes resources responsibly so that the future generations can reap the benefits as well.

Sustainable Farming Approaches:

Approaches to sustainable farming include policy as well as farming technique interventions. Some of these methods are:

  • Crop rotations that involve planting diverse crops on a piece of land, as opposed to monoculture and intensive farming that gradually makes the soil nutrient deficient.
  • Cover cropping after a season of monoculture to prevent leaving the soil bare til the next season.
  • Use of renewable energy resources and integrated pet management to generate energy efficiently and minimize crop losses respectively.

Food Security:

Food security entails that healthy, nutritious and safe food is readily i.e. physically and economically available for all people. Food security is one of the major sustainability goals.

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How can you protect yourself from biological hazards associated with human sources?
jarptica [38.1K]

Answer:Ways of protecting one's self from human sources of biological hazards include: Effective use of personal protective equipment such as hand gloves, nose masks, face cover, shoe cover.

Explanation:Human sources of biological hazards may include waste products from human such as faeces, urine and also fluids such as blood from bleeding wound, saliva and so on. These substances may harbor bacterial and viral infections which may result in biological hazards. Therefore, good personal hygiene and use of personal protective equipment will protect one from biological hazards related to human sources.

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How many chromosomes are shown in a normal human karyotype?
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In a normal human karyotype, depending on the part of mitosis the cell is in, there are either 23 or 46.
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What is the term used to describe the twisted ladder shape of a DNA molecule
Nastasia [14]

Answer: double helix

Explanation: The double helix of DNA is, like its name implies, in the shape of a helix which is essentially a three dimensional spiral. The double comes from the fact that the helix is made of two long strands of DNA that are intertwined—sort of like a twisted ladder.

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3 years ago
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