Zachos´ research into the deep ocean _______ suggests at this time that about 4.5 billion tons o{ carbon entered the atmosphere over 10,000 years.
sediments
dusts
dirt
powder
20
"This will be the same amount of carbon released into the atmosphere from cars and industrial emissions over the next 300 years if present ____ continue", Zachos said.
crazes
trends
fads
gadgets
15
The ocean is capable of removing carbon, and quickly, but this natural _____ can be too much.
bulk
competence
capacity
intelligence
20
The ocean is capable of removing carbon, and quickly, but this natural process can be easily ______.