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eduard
3 years ago
10

Cardiac and muscles are types of involuntary muscles.

Biology
1 answer:
elena55 [62]3 years ago
4 0

Answer:

No.

Explanation:

Cardiac is a type of involuntary muscles.

Muscles like skeletal muscle, are voluntary.   Examples are:  Iliac, gluteus, abductor.

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Sarah finds herself in the middle of the Amazon rainforest with different ecosystems. What type of ecological unit is she in?
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The answer would be biome.

Explanation:

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3 years ago
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Acid rain occurs when sulfur dioxide is he atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example o
Ierofanga [76]

Answer:

A secondary pollutant

Explanation:

Pollutants can broadly be classified into two main categories based on their formation or synthesis. 1: Primary pollutants, 2: Secondary pollutants.

1: Primary pollutants

Primary pollutant can be considered as any environmental pollutant that is being directly emitted from a certain source like when we burn coal carbon di oxide is directly emitted into the atmosphere so CO2 is a primary pollutant.

Similarly sulfur di oxide or SO2 is also a primary pollutant that is emitted by the gas emissions of motor vehicles.

2: Secondary pollutants:

On the other hand, secondary pollutant is something that is not directly emitted on earth as an environmental pollutant but some how it is formed due to a reaction of primary pollutant.

Such as mentioned in the question that SO2 when oxidized in air in the presence of enzymes and water, it form H2SO4 or acid rain which directly falls on earth and incurs great amount of damage to not only living organisms but also non-living organisms such as marble buildings.

Therefore, acid rain is secondary pollutant. Please see picture for better understanding.

Hope it help!

3 0
2 years ago
After injuring his knee, Kai began having pain and numbness in his lower leg. The doctor said the injury damaged nerves that run
Igoryamba

Answer:

Nervous system

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The nervous system consists of the the brain and the nerves and the damage was done to the nerves that run all the way down his leg.

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3 years ago
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Quiz: unit 2 Lesson 1 photosynthesis. please
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7.

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One of the primary roles of the reproductive organs is the production of which of the following kinds of specialized cells?
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Gamete cell

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One of the primary roles of the reproductive organs is the production of which of the following kinds of specialized cells?

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