Rachel Carson can be credited for

1 answer:

5 0

Rachel Carson played a key role in the birth of environmentalism in the 20th century.

She became increasingly aware of the harmful facts of insecticide DDT on the environment. This compelled her to write her most famous work Silent Spring and defending herself against attacks from commercial interests.

The book also played an influential part in persuading governments to ban or heavily restrict the use of DDT and similar chemicals that persist in the environment.

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If you had a blue blood when it comes out of your body what would that be

Igoryamba

Answer:

Red blood

Explanation:

The bluish color of veins is only an optical illusion. Blue light does not penetrate as far into tissue as red light. If the blood vessel is sufficiently deep, your eyes see more blue than red reflected light due to the blood's partial absorption of red wavelengths.

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2 years ago

What is the main difference between muscle cells and nerve cells?

Elanso [62]

They use different genetic codes

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2 years ago

What evidence supports the LAW OF CONSERVATION OF ENERGY?

photoshop1234 [79]

Answer:

Taking into account photosynthesis, the evidence that best supports the law of energy conservation is energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis (option 2).

Explanation:

Plants are autotrophic organisms, characterized by synthesizing their own nutrients by converting solar energy into chemical energy through photosynthesis.

During the process of photosynthesis, chloroplasts are capable of absorbing solar energy and converting it into glucose. This process involves the conversion of one type of energy into another.

With respect to the law of conservation of energy, it is necessary to consider:

In the universe there is a constant amount of matter and energy, which is neither created nor destroyed, but transformed.
Energy in an isolated system does not vary, unless it comes into contact with another system.
The amount of energy that is absorbed and obtained is equivalent.

In photosynthesis, the chloroplast is not an isolated system, but has contact with the outside and is capable of absorbing the energy of the sun. This energy will be used to obtain a product, glucose, in an amount proportional to the amount of energy absorbed.

Regarding other options:

1. In photosynthesis, it is not mechanical energy that is transformed into chemical energy.

3. Oxygen is a product of photosynthesis, during the process of chemical energy synthesis, from the combination of carbon dioxide, water and solar energy.

4. It is true that the sun gives off light energy that is absorbed by plants, but it does not explain how this energy is transformed into chemical energy.

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2 years ago

Fire is an example of a living thing?

Alenkasestr [34]

Answer:

Fire Is A Non-Living Thing.

Explanation:

People sometimes think fire is living because it consumes and uses energy, requires oxygen, and moves through the environment. Fire is actually non-living. The reason fire is non-living is because it does not have the eight characteristics of life. Also, fire is not made of cells.

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2 years ago

the major physical symptom associated with klinefelter syndrome is ____.

Anna [14]

fertility problems is the right answer :)

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3 years ago