When air moves upwards to areas of less air pressure, clouds form.
Professor plum is showing the detached style of listening. This type of listener are intellectually not present in a conversation although they are present physically. In the situation described clearly the professor was not listening to what Roberto was saying.
Answer:
d) is a claim that can be tested
Explanation:
A bank account because it helps you keep money and control it well provides you with a plan
