<span>Sometimes a president decides to do nothing.</span>
<span>He may decide neither to sign nor veto a bill. </span>
Answer: Parallax
Explanation: Parallax is usually an error which should be avoided when taking measurements. It is the observed difference in the apparent position of an object when viewed from different positions. Motion parallax is the change in the position of an object due to the viewer's movement. In motion parallax, the object distance to the observer's eye seems to affect the relative motion of the object. That is objects close by or near the observer's eye such as mile markers seems to rush or whiz past relative to the observer's direction while distant objects such as hills and mountain tops moves relatively slowly in the opposite direction.
The answer is stage 1 and 2, it is because in these stages, an individual is usually in a light sleep and he or she could not be claimed that the person is asleep as he or she is in the process or is in the on going process of having to fall asleep.
B. Sacrifice isn't necessary to achieve group goals.
Answer:
1. Ella doesn't usually stay up late, but her parents let her on Saturday nights.
Explanation:
To make an exception = exempt someone or something from a general rule or practice.
Her parents are allowing her to break away from the rules for one day only, so that is a good representation of an exemption
Hope this helps!