How old is Earth? About 4.5billion year old.
Answer:
28.5 days
Explanation:
The orbital period of a satellite does not depend on the mass of the moon, it depends only on radius of the rotation. Satellites can operate by themselves or as part of a larger system, a satellite formation or satellite constellation.
Therefore , the time period of satellite will be equal to that of the period of the moon which is given as 28.5 days
Answer:
1. A map is a topographic image that details the environmental features of a particular place on the earth, or the earth itself (not so sure about this one, question is <em>really </em>vague)
2. yes. they normally have north on top because a compass points north, and the easiest way to make a map easily legible is to detail which part of the page is the top, also, compasses point north and wayfinding is much easier with the cardinal directions detailed. (vague again)
3. a cartogram is a thematic map of a set of features
4. 30 km 25 m
Explanation:
this is probably the least reliable answer I've ever given lol but I like to think it helps
Earth's Second Atmosphere The second atmosphere, which was the first to stay with the planet, formed from volcanic outgassing and comet ices. This atmosphere had lots of water vapor, carbon dioxide, nitrogen, and methane but almost no oxygen.
