Hurry pls
which of these is most important to include in a summary of this article?
a) the name of the northwestern university scientist who led the study

b) the number of regions that are identified in the human brain

c) the difference between very unpleasant scents and scents found in everyday life

d) the conclusions drawn by researchers on the connection between smell and emotion

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

the answer can be "credo" it means to believe = the word credo means "an official statement of beliefs"