Answer:
e. a useful illusion used to map the stars and other objects in the sky
Explanation:
A celestial sphere is a graphical representation whose purpose is to describe the different locations of objects in the sky. A Celestial Sphere depiction contains Earth's rotation axis, North Celestial Pole, South Celestial Pole and Celestial Equator.
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun.
The answer is D
i think that it is white hope this helps
Answer:
The most recent eon is subdivided into three eras and eleven periods.
Explanation:
The geological time scale has been constructed so that it can help in better research and understanding of the past, as well as making it easier to distinguish the past and its characteristics at a certain time. There are larger and smaller divisions in the geologic time scale, with the eon being the largest unit, followed by era, and then period.
The most recent eon is the Paherozoic, starting from 542 million years ago and still going on. It is subdivided into three eras and eleven periods so far. The three eras are:
- Paleozoic
- Mesozoic
- Cenozoic
The eleven periods are:
- Cambrian
- Ordovician
- Silurian
- Devonian
- Carboniferous
- Permian
- Triassic
- Jurassic
- Cretaceous
- Tertiary
- Quaternary
Answer:
Ive never taken a geography course but Im pretty sure the answer is C.
