Answer:
a. A gibbous moon
Explanation:
Gibbous refers to the shape which is less than the full circle of a Full Moon, but larger than the semicircle shape of the Moon at Third Quarter.
They give more/additional information about a certain topic of research.
They help learns to know what they may expect to see on the field
Asthenosphere is the answer of this question. It best describes the all above mention properties.
Asthenosphere is the the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
Earth is called a unique planet since it is the only planet in the solar system which supports life due to its balanced proportions of water, temperature, and oxygen
Answer: D.) to maintain records etc...
Explanation: Edge2020
