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2 years ago

Help please!

Biology

1 answer:

Lesechka [4]2 years ago

5 0

Answer with Explanation:

Hydrogen peroxide is considered "unstable," thus, storing it in the refrigerator provides two advantages:

1. It slows down thermal decomposition.

The rate of decomposition slows down when the temperature is lowered. It increases when the temperature rises.

2. It prevents photolytic decomposition.

Photolytic decomposition happens when hydrogen peroxide is exposed to sunlight or bright light. It therefore increases the rate of reaction. Therefore, hydrogen peroxide should be stored in a cool and dark place, such as the refrigerator.

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Pathogen A has an ID50 of 50 particles, pathogen B has an ID50 of 1,000 particles, and pathogen C has an ID50 of 1 Ã— 106 partic

klemol [59]

Answer:

Option A, pathogen A

Explanation:

ID50 is a way to measure the virulent efficiency of a pathogen. ID50 for a pathogen depicts the number of pathogens required to infect or cause the associated disease with in 50 percent of any population sample.

This means that 50 pathogens A can infect 50 percent of any sample population.

While 1000 pathogen B and 1000000 pathogen C are required to infect 50 percent of any sample population.

hence, Most virulent pathogen is Pathogen A

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3 years ago

The rock cycle relies on___to convert rock into usable particles to from other types of rock

Ronch [10]

In order to form another type of rocks that are to be deposited in some other environment, the source rock must undergo the process of weathering and erosion. Weathering leads to the breakdown of rocks and erosion leads to the transportation of the broken fragments and sediments.

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3 years ago

What happens to the thermal energy of a hot object and a cold object when they are touching?

Setler79 [48]

Answer:

The correct Answer is C

Explanation:

8 0

3 years ago

From where do we obtain the cells of our test subject

Dovator [93]

I believe the answer is DNA

3 0

3 years ago

3. What is the difference between the environmental impacts of particles, such as dust and

Minchanka [31]

Answer:

Environmental impacts of particles, such as dust and smoke, released from livestock production - impair the visibility, can lead to acid rain, degrade the ecosystem

Environmental impacts of greenhouse gases released from livestock production - increase in atmospheric temperature

Explanation:

Environmental impacts of particles, such as dust and smoke, released from livestock production -

Release of particles such as dust and smoke is referred to as particulate pollution. These particle makes the air unfit for .breathing. If humans inhale it, it will adversely affect the heart and lungs.

These particle impair the visibility, can lead to acid rain, degrade the ecosystem etc.

Environmental impacts of greenhouse gases released from livestock production -

Green house gases will lead to increase in atmospheric temperature

4 0

2 years ago