Answer:
Explanation:
There are two dominant theories:
The inside-out model proposes that the Earth formed with trace amounts of water structurally bonded to the minerals in the mantle. This water makes its way to the Earth’s surface through volcanic processes.
The outside-in model proposes that the Earth formed without water, which came with other volatiles from the meteorites or comets that bombarded the young planet. This water was probably mixed into the upper layers of the Earth and was later brought to the surface through volcanism.
Answer:
Option (4)
Explanation:
Here, Speed of light= 
Km/sec
Distance= 
Km
We know that,
=500 sec
=8 minutes 20 sec
Hence, the correct answer is option (4) i.e 8 minutes.
Yes it is answer A. (At least 20 characters long)
<span>When humans remove vegetation from an area, the water cycle is MOST directly affected on the evaporation side. The evaporation in that area will decrease because there'll be no more plants that will hasten the evaporation process. This will create an abnormality in the water cycle.</span>
Answer:
It is the tilt of Earth's axis and Earth's rotation.
Explanation:
Both tilt and rotation are required for the perpendicular rays to move.
