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tia_tia [17]
3 years ago
7

An example of a physical contaminant is a

Biology
1 answer:
Zinaida [17]3 years ago
3 0

Answer:

Common examples of physical contaminants include hair, bandages, fingernails, jewelry, broken glass, metal, paint flakes, bone, the body parts of pests, or pest droppings.

Explanation:

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Which state of matter consists of ionized particles? solid liquid gas plasma
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The correct answer is option D, Plasma

Plasma is the condition where a hot gas is ionized. It consists of equal numbers of positive and negative ions. It is an electrically conducting environment which is considered as the fourth state of matter. Plasma gases are affected by electric and magnetic waves as compared to the neutral gases (which remain unaffected by electric and magnetic wave) due to the presence of negative and positive ions.  

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An example of a parallel choice on a dichotomous key is
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brown hair or black hair.

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Many bacteria reproduce asexually. the bacterium shown here is reproducing asexually, by binary fission. the definition of a ___
sergij07 [2.7K]

The correct answer is D. species.


The definition of a species is termed as a group of interbreeding individuals cannot be easily applied to organisms that they reproduce only or mainly by asexual methods.


Species is termed as the basic unit of classification and taxonomic rank and also unit of biodiversity. It is the largest group of organisms whereby two individuals produce fertile offspring.

They are typically by sexual reproduction. Boundary which is between closely related species they becomes unclear.

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Describe your plan to determine if the paths of past hurricanes can help determine the paths of past hurricanes
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The question does not make sense please type in comments and tell me
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3 years ago
1. This is one structure essential in propagating young trees
Marizza181 [45]

Answer:

1. B

2. A

3. C

4. A

5. A

Explanation:

A nursery bed can be defined as a specially prepared temporary plot of land or garden which serves as a home for raising seedlings (young plants) prior to planting them in the main location (area). Thus, when older trees in the environment or surrounding dies or are cut-off, these younger plants (trees) propagated in the nursery bed are transferred to replace them.

<em>Some of the criteria or requirements for setting up a nursery bed are;</em>

1. Shed: this is one structure essential in propagating young trees.

2. Location/Site: a place near a source of water should be chosen because water is essential for plant growth and coolness from extreme heat caused by the sun.

3. Storage place for tools and equipment: it is important to have a complete set of tools or their substitute to be able to carry out all nursery activities properly.

4. Boxes, pots, and plots for germinating seeds: there are three places to germinate seeds, young plants, and young trees. Pots are used for germinating young trees while boxes and plots are used for raising seedlings.

5. Soil type: different plants need different types of soil. These includes clay, loamy and sandy soil.

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