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Sergio [31]
2 years ago
7

How is oxygen in the air made during photosynthesis?

Biology
1 answer:
Viktor [21]2 years ago
8 0

Answer:

D

Explanation:

by process known as photolysis

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Answer:c

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3 years ago
What is one effective strategy used by political campaigns?
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Parkinson disease is a progressive loss of motor function due to the degeneration of specific neurons. These neurons secrete an
igor_vitrenko [27]

Answer:

Dopamine

Explanation:

Parkinson’s disease is a degenerative, progressive disorder that affects nerve cells in parts of the brain called the basal ganglia and the substantia nigra.

The neurotransmitter dopamine is produced by nerve cells in the substantia nigra and these nerve cells function in relaying information from the brain that plan and control body movement. In Parkinson's disease, the dopamine-producing nerve cells of the substantia nigra begin to die off . Symptoms such as tremor, impaired movement, stiffness, and balance problems occur when the loss of nerve cells is about 80%

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3 years ago
Name two important features of a reflex action?
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The two importance’s of a reflex action is you can move more quickly. Is that you could make your move more quickly
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3 years ago
According to the current definition of a species, which of the following is an example of a species?
ale4655 [162]

Answer:

Option D.

Example of a species is a donkey and a horse mate to produce a mule that is sterile and is unable to produce babies.

Explanation:

  • Species is the group of organisms that interbreed or have the potential of interbreeding in nature.
  • Even if they look very different in appearance but interbreed then simply they are species.  
  • The organism that reproduce asexually cannot be mentioned under species.
  • Some animals form naturally hybrid and mostly mate with their own groups.
  • So donkey and horse mates to produce a new living, which is considered as the species.

3 0
3 years ago
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