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Mrac [35]
3 years ago
8

  The science of using tree rings to determine absolute age is called     

Biology
1 answer:
erica [24]3 years ago
5 0
It's called radioactive dating
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Which is an example of why the process of photosynthesis is important to life on Earth?- - Grass uses photosynthesis to produce
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Answer:

The correct answer is: A) Grass uses photosynthesis to produce glucose, which is used within the grass for growth.

Explanation:

Photosynthesis is the process by which green plants, which include algae, take in the energy from the sun and combines it with carbon dioxide (and water) to form benificial sugars.

Photosynthesis refers to the process by which the green plants, as well as algae, utilize the energy from the sun in combination with the carbon dioxide as well as water to form simple sugars. This is how the harmful gas carbion dioxide can be destroyed and elimanated.

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3 years ago
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According to maslow's ____ theory, humans are motivated by drives for personal growth.
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I believe the correct term to fill in the blank would be humanistic. According to maslow's humanistic theory, humans are motivated by drives for personal growth. He approached the study of personality by focusing on subjective experiences, free will, and the innate drive toward self-actualization.
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Explain what happens to the bands A,I,H when aconraction occurs<br> in the muscles.
worty [1.4K]

Answer:

The functional unit of a muscle cell is known as a "sarcomere" which covers the distance between the two Z-lines.

The sarcomere consists of A-zone which contains both thick and thin filaments, H-zone which contains only thick filaments and I band which contains only thin filaments.

During muscle contraction, thick and thin myofibrils slide over each other due to which the distance between two z-line get reduced. The H and I zone gets shortened but A zone does not shorten but come close to other A- bands and disappears.

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3 years ago
What is a karyotype. how do we use it to determine if a fetus has down syndrome
Maslowich

Answer:

A karyotype is the individuals collection of chromosomes

you can use the individuals karyotype to determine if a fetus has down syndrome by looking at chromosome 21. If the fetus has an extra copy of chromosome 21, it will have down syndrome.

Explanation:

hopefully this can help you! :)

3 0
2 years ago
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