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saveliy_v [14]
4 years ago
12

Explain how the term atom, covalent bond and molecule are related

Biology
1 answer:
Nesterboy [21]4 years ago
8 0

Answer:

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

Explanation:

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Which factor is different between the tundra biome and tundra ecosystems
igomit [66]

Answer:

Tundra Characteristics

The tundra and taiga represent the two coldest land biomes on the planet, but they have different precipitation levels, and the tundra has permafrost. These two factors cause sharp differences between the plant life of the two biomes, and the resulting local animal populations.

Explanation:

5 0
3 years ago
What did Avery conclude caused transformation?
sesenic [268]

Answer:

The answer is B

Explanation:

6 0
3 years ago
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What would a group of geese in an environment be considered
Thepotemich [5.8K]
Hello, Pnk1!

Answer: Population

Since the geese are living components that partake in the environment, they would be considered population.

Hope this helps :)
5 0
4 years ago
What is the most important reason to know basic first aid?
Arte-miy333 [17]
I think the correct answer from the choices listed above is option D. The most important reason to know basic first aid is that it<span> allows emergencies to be treated swiftly. This is because the things that should be done immediately when accidents happen are done and further accidents or complications are prevented.</span>
8 0
3 years ago
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You wish to determine the concentration of bacteria in a liquid sample. You measure the concentration by direct microscopic obse
Lelechka [254]

Answer:

The correct answer to the question above is "PLATE COUNT TECHNIQUE"

Explanation:

DIRECT MICROSCOPIC OBSERVATION is the method of estimating the number of microorganism using microscope. Samples to be estimated are placed on microscope slides which allow few cells in a small volume to be counted. Then, the value determined is used to estimate the total number of cells mathematically. It is only difficult to aee small cells which may affect precision.

VIABLE COUNT is the estimation of the living cells in a given sample.

PLATE COUNT TECHNIQUE is used to estimate the number of viable cells that are present in a given sample of actively growing or dividing cells based on bacteria cells found on agar plate. A sample to be counted is diluted in a solution that will not kill the microorganisms, this is done to enable accurate counting as only living bacteria will be counted.

6 0
3 years ago
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