Is - two billion dollars is a unit, one unit so it is singular and you use the singular verb
think - scientists is a plural, therefore, you must use the plural verb form of think
Answer:
agree and disagree with what ?
Explanation:
Agree
Answer:
They create a peaceful tone.~
Explanation:
I took the test
Answer:
False
Explanation:
To be unperturbed is to be not perturbed, and perturbed means disturbed and agitated. So, unperturbed is not disturbed and agitated.
