Which of the followings the function of Myelin sheath * 2 points
Myelin sheath Channel Action potential
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Neuron
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Nations
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11
Myelin sheath will help in making the neuron signals move slower
Myelin sheath will help in generating action potential
Myelin sheath will help in making the neuron signals move in the opposite direction
Myelin sheath will help in making the neuron signals move faster

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The pronunciation aid that determines the stress placed upon a syllable is the

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?