For the examples below, explain what a physical change or a chemical change has occurred. Justify your answerA. When you mix baking soda and vinegar, carbon dioxide is released.
B. You build a tall sand castle at the beach. After wave washes it over, the sand castle turns into a big pile of sand
C. Boiling water turns a raw egg into a hard boiled egg
D. Max divided cookie dough into small pieces on a cookie sheet.
E. A loaf of freshly baked bread tastes better and looks much different than a lump of bread dough
F. A glass of water is left in the Sun. In the time, the water evaporates leaving the glass empty.

Answer: Three

A plane requires minimum three points for its determination. These three points should  be non-collinear or the third point should not lie in same line as made with any two points. By joining two points, a line is formed. A point is one dimensional.

By joining minimum three non-co-linear points, a plane can be formed.

Given three non-collinearpoints in space, they uniquely define a plane. The correct option is C.

Three-dimensional space requires at least three non-collinear points in order to establish a plane. Any additional points would also lie on the plane formed by these three points.

This is due to the fact that a plane is a two-dimensional surface that can go on forever. We define a plane that traverses all three points by joining three non-collinear points.

Their positions when combined result in a flat, continuous surface. More points would simply serve to confirm the plane's definition rather than alter it. Because of this, three points are sufficient to build a plane in three dimensions.

Thus, the correct option is C.

For more details regarding non-collinearpoints, visit:

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Your question seems incomplete, the probable complete question is:

How many points does it take to determine a plane?

A. one

B. two

C. three

D. four

Answer: C) The alpha particle will be deflected in a curve path.

Explanation:  

Alpha particle carries +2 charge. It is a Helium ion: He⁺²

When any charged particle enters a magnetic field, it experiences a magnetic force perpendicular to direction of the velocity of the particle and the direction of the magnetic field. Thus, the alpha particle moves in a circular path.

Hence, the correct answer is: The result of an alpha particle coming into a magnetic field is C) The alpha particle will be deflected in a curve path.