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VLD [36.1K]
2 years ago
12

Which type of rock has a coarse texture due to slow cooling in magma chambers?

Biology
2 answers:
Aleksandr [31]2 years ago
4 0

Answer:

Intrusive

Explanation:

If magma cools slowly, deep within the crust, the resulting rock is called intrusive or plutonic. The slow cooling process allows crystals to grow large, giving intrusive igneous rock a coarse-grained or phaneritic texture.

Gemiola [76]2 years ago
4 0

Answer:

Intrusive

Explanation:

Intrusive thoughts are thoughts that seem to become stuck in the mind. They can cause distress, as the nature of the thought may be upsetting. They may also reoccur frequently, which can make the concern worse. Intrusive thoughts may be violent or disturbing

hope to get a Brainliest ! :)

have a good day!

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6 0
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Action potential in a motor neuron triggers the release of what neurotransmitter?
vodomira [7]

Answer:

Action potential in a motor neuron triggers the release of acetylcholine (ACh) neurotransmitter.

Explanation:

Acetylcholine: It is a neurotransmitter released by motor neurons which bind to the receptors end plates of the motor. When an action potential travel down the motor neuron's axon, neurotransmitter release occurs resulting in an influx of calcium and altered permeability of the synaptic terminal membrane.

The Ca2+ ions allow synaptic vesicles to move and bind with the presynaptic membrane which is present on the neuron and released neurotransmitter from the vesicles into the synaptic cleft. Once it's released ACh diffusion occurs across the synaptic cleft to the motor end plate, and binds with ACh receptor. As the neurotransmitter ACh binds, these ions channel open and sodium ions cross the membrane into the muscle cells.

In this phase reduction of voltage inside and outside the cell occurs, which is known as depolarization. When ACh binds to the motor end plate this depolarization is known as end plate potential. Then depolarization spread with the sarcolemma and creating an action potential. This action potential moves the entire cell and creating a wave of depolarization.

5 0
3 years ago
Describe the difference between an opaque object and a transparent object.
irina1246 [14]
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Phoenix [80]

Answer:

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Explanation:

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7 0
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zhuklara [117]

Answer:

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Explanation:

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