The first comes from the word accord and refers to a harmonious combination of three or more musical notes. The second is an alteration of cord, taking its spelling from Greek chorda, "string, gut," by way of Latin. This is the mathematical chord—a line segment that joins two points on a curve
Answer:
The prove is below
Explanation:
From trigonometric identities:
Therefore:
Your answer is b idk why they want me to put 20 characters for this
Low-frequency magnetic fields induce circulating currents within the human body. The strength of these currents depends on the intensity of the outside magnetic field. If sufficiently large, these currents could cause stimulation of nerves and muscles or affect other biological processes.
Answer:
1921
Explanation:
Acetylcholine was the first neurotransmitter to be discovered. It was isolated in 1921 by a German biologist named Otto Loewi, who would later win the Nobel Prize for his work.
