Answer:
D is the answer to this question
Answer:
See explanation below.
Explanation:
From the definition of adjacent angles, the sum of measure of all the adjacent angles on a horizontal line equals to
.
From the given figure, we have:

And from the definition of alternate angles, we have:

The best answer for the blood vessels' valves would be these are veins that would then help in preventing the back flow of blood because the walls have small muscle to pump the blood back to the heart.Hope this is the answer.
Drugs and supplements are similar in that both have an effect on the nervous system and that both are psychoactive substances. They are different in that drugs are often necessary to help someone overcome an illness, while supplements are optional and not necessary.
<h2>Results from Mental Rotation Experiments </h2>
Mental rotation is the capacity to revolve mental descriptions of two-directional and three-directional purposes as it is associated with the visible image of this circumrotation in the individual brain. Roger Shepard and Jacqueline Metzler (1971) were those who researched on this.
Their research clearly examined mental rotation on three-directional things. Per discussion was done with many combinations of three-directional, without any lined objects. The research was intended to estimate how much time it would carry specific case to decide that a couple of things were certainly the identical thing or two distinct things.
Their analysis revealed that the reaction interval for shareholders to determine if the set of things balanced or not was linearly equivalent to the edge of revolution from the initial state. If the object is more rotated from its original position then the time would be taken more to detect by a man regarding images.