Reply is not a component of the SQ4R method.
Either answer choice 2 or 3, and im leaning towards choice 3
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:
Explanation: I collected data that impacted the prophecy of the climate and the discovery was in front diversity of people.
