Nadine is constructing a line perpendicular to ke←→ . she has constructed the arcs as shown. what is the next step in her construction? use a straight edge to draw a line through d and m. use a straight edge to draw a line through m and k. use a straight edge to draw a line through m and e. the image shows a horizontal line with points k, d, and e from left to right. point d looks halfway between points k and e. an arc is shown at point k turning inwards towards point d. an arc is shown at point e turning inwards towards point d. above point d is point m. two arcs go through point m. one arc faces southwest towards point k and one points southeast towards point e. a line m and an arc. an arc is drawn on line m through center p. center p lies above the line m. the arc cuts the line on two points labeled as x and y. two rays share a common endpoint at r. one ray is horizontal, pointing to the left. the second ray is vertical in an upward direction. a horizontal line segment m n with endpoints labeled as m and n. a horizontal line j and a point a are drawn. the point a is below the horizontal line j.

is there answer choices?

"it's not the heat, it's the humidity".   that's a partly valid phrase you may have heard in the summer, but it's actually both.   the heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature.   this has important considerations for the human body's comfort.   when the body gets too hot, it begins to perspire or sweat to cool itself off.   if the perspiration is not able to evaporate, the body cannot regulate its temperature.   evaporation is a cooling process.   when perspiration is evaporated off the body, it effectively reduces the body's temperature.   when the atmospheric moisture content (i.e. relative humidity) is high, the rate of perspiration from the body decreases.   in other words, the human body feels warmer in humid conditions.   the opposite is true when the relative humidity decreases because the rate of perspiration increases.   the body actually feels cooler in arid conditions.   there is direct relationship between the air temperature and relative humidity and the heat index, meaning as the air temperature and relative humidity increase (decrease), the heat index increases (decreases).

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