Which statement is a central idea of Kennedy's speech? A. Space exploration is important to national security
B. Space exploration is important to the promotion of peace.
C. Space exploration is a race that must be won by the United States,
D. Space exploration is important for the advancement of all mankind.

D. Space exploration is important for the advancement of all mankind.

Explanation:

The purpose of Kennedy's speech:

It was to explain to the American people why the Apollo program needed to be a high priority, which would allow for a “boost” in funds. Kennedy succeeded. The Rice University speech wasn't the first time Kennedy had called to reach the Moon within a decade.

it is about the use of non animal tested cosmetics.

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.