Sea fossils were found on top of the mountains which gave evidence of evolution for continents and oceans
Answer:
Hi there!
The answer to this question is: True
Atoms make up an element
The semi will have the hardest time changing direction because of its mass. The more mass there is, the more effort it takes to accelerate and decelerate as well as change direction.
Answer: The correct option is 3.
Explanation: We are given a compound which is made up of iron and oxygen only. The ratio of the two are given as:

This means that, number of iron ions are 2
Number of oxide ions are 3
From the above information, the formula becomes : 
The valency of iron = 3
Valency of oxide = 2
This compound is named as iron (III) oxide.
Hence, the correct option is 3
The the forth layer known as the thermosphere can reach as high as 2000 degrees Celsius.