Answer:
Statement that is true about electromagnetic and mechanical waves is:
Option B: Mechanical waves must travel through a medium, but electromagnetic waves do not require a medium to travel.
Explanation:
'Electromagnetic' waves do not need any medium to travel whereas 'mechanical waves' need a medium or matter for transmission. Electromagnetic waves are produced by the 'vibrations' of the charged particles. They can even travel in vacuum.
On the contrary, mechanical waves are caused by the 'wave amplitude'. Mechanical wave can travel in solid, liquid and gas and are considered to be periodic disturbance.
Thus, Option B is the most statement apt explaining the difference between electromagnetic and mechanical waves.
Those suffering from a unipolar disorder experience <u>a. only </u><u>depression,</u> while others with bipolar disorders experience <u>alternating bouts of </u><u>depression</u><u> and </u><u>mania</u>.
<h3>What is the difference between depression and mania?</h3>
The difference between depression and mania is that depression leads to some periods of sadness while mania combines depressed moods with unusual energy.
Manic depression can be likened to major depression.
Thus, those suffering from a unipolar disorder experience <u>a. only </u><u>depression,</u> while others with bipolar disorders experience <u>alternating bouts of </u><u>depression</u><u> and </u><u>mania</u>.
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At highest risk for developing social phobia is M<span>ariel, whose parents used shame as a method of control.
Feeling ashamed will make Mariel feel inferior to others, which can in long term results in social phobia disorder and feeling very scared</span><span> in one or more social situations.</span>
B. The executive branch makes and enforces laws.
Although the executive branch enforces laws, they don't make them...the legislative branch does .
According to Erikson's psychosocial stages of development, the brother who would classify as being in the initiative vs. guilt stage it would be Mike.
During the initiative vs. guilt stage, children aged 3-5 begin to develop games and social interactions that encourage a sense of leadership, initiative and decision-making.
Mike demonstrated that he was at this stage by inventing new things to do and experiment with, like building forts in the living room with sofa cushions, which can be a way to demonstrate his power and control through play.
Therefore, it is in the initiative vs. guilt phase that children will develop their skills through their independence, developing greater control, ambition and direction.
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