Velocity is an object's rate of change (usually over time) of its displacement.
1 is amplitude crest is 5 3 is wavelength. Your chart is confusing so that’s all I got
I would say B but I have no clue
Id say this is more of a biology question or even a psychology question , well its not a question at all but the endocrine system is a collection of glands that secrete hormones direct to the blood system (circulatory system) to be sent to the desired / target organ , an example of a gland could be the pituitary gland (located towards rear of brain)
