A group of scientists are studying a population of horses. They have been collecting data on the characteristics of these horses for many generations. You are trying to find out if their study is on natural selection or artificial selection. What questions could you ask the scientists that would help you learn which process is taking place in their study? (AKS 4e, DOK 2)

A.
Were most of the new generation of horses better adapted to their environment? Were two horses bred to create a desired trait?

B.
Were most of the new generation of horses less adapted to their environment? Were any two horses bred to create a random trait?

C.
Were most of the new generation of horses less adapted to their environment? Were two random horses bred to create a desired trait?

D.
Were most of the new generation of horses better adapted to their environment? Were any two horses bred to create an undesirable trait?

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.

it is the most commonly accepted one

plasma - state of matter made up of electrically charged particles