<u>Answer:</u>
C- The water was a constant shallow sea during that time.
This was happened to the Grand Canyon area during the Permian Age.
<u>Explanation:</u>
The Grand canyon consists of the most studied sequence and complete rock on earth. They are nearly 200 million to 2 billion of years old, of which most of them were deposited in shallow, warm seas and near the ancient and the sea shores which were long gone.
The youngest formation of rock in the grand canyon is the Kaibab Limestone, which was laid down during the Permian age by the advancing warm and shallow sea. Although, the areas climate has been changing constantly during recent times from cool and wet pluvial to semi arid conditions. And also, with less water to cut, the erosion has also reduced greatly.
Answer:
I believe that the Atlantic slave trade contributed to conditions that eventually led to the Haitian revolution by resulting in African slaves making up the vast majority of St Domingue's population thus giving them strength in numbers to overthrow a slave system and form their own sovereign government.
The top 3 human developed countries are norway, switzlerland, and ireland
Answer:
Eye irritation.
Explanation:
There were several types of gases used during WWI (that's what I'm assuming this question is about) but all of them caused severe eye irritation, which would lead soldiers to sometimes take off there gas masks completely and expose the to the gas completely. That's why 85% of deaths in the war were though to be gas related. But instant death could be the other answer just because one of the gasses was particularly lethal and caused many deaths in the war.