Yes America did if you do your research
Answer:
Africa had several advanced civilizations during the Middle Ages. The kingdom of Zimbabwe, founded by the Shona people, was the largest kingdom in southern Africa. The people of this kingdom built a grand stone palace with gigantic walls. Timbuktu, a city in the kingdom of Mali, was a center of Islamic scholarship. The people of these kingdoms traveled across the Sahara to conduct trade. They traded with countries as far away as India and China.
Explanation:
Answer for Plato!
It is becaus they are just taking photos for the media...
Answer: c) use a person outside the vehicle to help you if possible.
Explanation:
Back up is the mechanism which is followed by the vehicle for reversing. It is also known as reversing operation.A driver can use rear view mirror and a person outside the vehicle for watching the nearby vehicle and road for safe reverse.
Outsider can provide the exact guidance to back up the vehicle as he/she can clearly see every small element and thus can provide reversing instructions accordingly to the driver .
Other options are incorrect because at time small objects and children aren't visible to the drive and that might cause accident. Side mirrors and rear view mirror are helping equipment present in the car but even though they can miss showing the small element.Thus the correct option is option(c).
Answer:
A force exists that we knew nothing about that causes the acceleration.
Explanation:
In 1998, scientists observed from distances of supernovae in remote galaxies that the enlargement of the universe is accelerating. Besides, there is evidence that suggests that the universe is flat and infinite, as well as accelerating in its expansion. In that respect, the force suspected to be responsible for this is called dark energy.
