Answer:
Ordovician extinction
.
Explanation:
The Ordovician extinction was an event that occurred around 450 million years ago and caused the <u>disappearance of 60% of marine species.</u>
This event was caused by global cooling which resulted in the <u>drop of the sea level</u>. This change mostly affected the species that developed life in the deep, depriving them of their natural habitat.
Answer:
escavation
Explanation:
During excavation, archaeologists often use stratigraphic excavation to remove phases of the site one layer at a time. This keeps the timeline of the material remains consistent with one another.
Most likely because it has fertile soil. The others don’t make sense.
Explanation:
Agricultural area is typically land devoted to agriculture, the systematic and controlled use of other forms of life. Particularly the rearing of livestock and production of crops to produce food for humans.
Hope this helped!
Answer:
The Coast Ranges are rugged, geologically young mountains formed by faulting and folding and are composed mainly of granitic rock; the northern third is glaciated. N of San Francisco the ranges are humid and thickly forested; the southern parts are dry and covered with brush and grass.
Explanation:
To increase the flow of the Nile in order for Egypt to realise its ambitious desert reclamation plan, Egypt sees the completion of the digging of the Jonglei canal through the vast swamps of the Sudd in Southern Sudan as the top priority.
