When the Romans first began constructing arches like the one above, they were positioned so the emperor could lead his men through the arch upon returning from a successful battle or war. The answer is letter D.
Pessimists often do well because they make backup plans<span />
Answer: Absolute threshold
Explanation: The absolute threshold is the minimum amount of energy, or quantity of a stimulus, required for it to be reliably detected at least 50% of the time it is presented. In this example, thedoctor is trying to find the quietest sound Ann can reliably detect (i.e., the absolute threshold). In contrast, to determine a difference threshold, the doctor would need to ask Ann if she perceived two sounds as being the same or different volumes.
Two Properties Are <span>Gravity and inertia. Inertia gave the earth its angular momentum while gravity keeps the earth from drifting off.
Thus Giving Orbit Around The Sun!</span><span />
Answer:
Sustainable use programs, such as renewable energy, protect eco systems by reducing pollution which is capable of destroying species habitats. The lac of sustainable use has been the root cause of the extinction of many different species of animals.
Explanation:
