Answer:
Principle of faunal succession
Explanation:
Principle of faunal succession -
According to this theory , the layer of the sedimentary rocks have fossils of the flora and fauna .
Which helps to study the rocks regarding the ages and the types of specifies found at that time .
It is the best method to study about the ancient lives , which helps by determining the relative age of the rocks .
Even the law of superposition is used to determine the time and age of the sedimentary rocks .
I think that it was a siege
Answer:
a piece of land surrounded by water.
Explanation:
Answer :A
“As a cold front moves into an area, the heavier (more dense) cool air pushes under the lighter (less dense) warm air, causing it to rise up into the troposphere. ... As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.”
It depends on what you're asking. If angle a and b are both on a straight line, b would equal 169 degrees because the total has to add up to 180 degrees, but if they are on a right angle, b would equal 79 because it has to add up to 90 degrees.