Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth. Tide tables can be used to find the predicted times and amplitude (or "tidal range") of tides at any given locale.
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Statement :- We assume the orthagonal sequence 
in Hilbert space, now 
, the Fourier coefficients are given by:
Then Bessel's inequality give us:
Proof :- We assume the following equation is true
So that, 
is projection of 
onto the surface by the first 
of the 
. For any event, 
Now, by Pythagoras theorem:
Now, we can deduce that from the above equation that;
For 
, we have
Hence, Proved
Answer:
If iron, nickle, or cobalt is an answer choice, those are the three metals that are purely magnetic.
Reuptake refers to the REABSORPTION of excess neurotransmitter molecules by a sending neuron (Option b).
Reuptake is the mechanism by which cells reabsorb chemical messengers produced and secreted by them. In nerve terminals, reuptake is used to reabsorb released neurotransmitters.
The reuptake mechanism is exploited in therapeutics for the development of target drugs and treatments.
Serotonin is a neurotransmitter that acts to stabilize different emotions such as mood, feelings of well-being, appetite and happiness.
For example, serotonin reuptake inhibitors which are capable of blocking the reuptake of serotonin to modulate serotonin brain levels have recently been developed.
Learn more in:
brainly.com/question/4439815?referrer=searchResults
Answer:B
Explanation:
Magnetic field lines form close loops and never intercept
