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.
dusts
dirt
powder
sediments
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.
gadgets
trends
crazes
fads
15
The ocean is capable of removing carbon, and quickly, but this natural _____ can be too much.
capacity
competence
intelligence
bulk
20
The ocean is capable of removing carbon, and quickly, but this natural process can be easily ______.
