Answer:
Sedimentary rocks are 100 million years old.
Explanation:
The age of the sedimentary layer is defined as the time elapsed since the material was deposited.
Answer: a)Copper and tin
Explanation: Copper and tin came into use at very early ages in the form of utensils, ornament etc. They were discovered in a way that it is possible for the people of early ages to extract these metals and melt them to give it some kind of shapes and utilize it for their daily living.People also started using these metals in the form of alloys as well which expanded the used of metals like copper, tin , bronze etc. Thus, correct option is copper and tin.
Answer:
c
Explanation:
the higher it is the thinner air is making it more cold
No, The magnetic north shifts overtime due to the rotation of liquid iron in the earth! So your answer would be No they are not always the same distance apart! Hope this helps :)
Answer:
Makes night and day and makes seasons
Explanation:
