Answer:
A and B are equally likely
Explanation:
The conditional probability is defined as follows:

where:
is the probability for X to occur, given that Y has occurred
is the probability that both X and Y occur at the same time
is the probability for Y to occur
Given two events A and B, we have:

and

In this problem, we are told that

Which means that:

Simplifying, we get:

which means that A and B are equally likely.
I believe that would be Mesopotamia, the seat of the Sumerian and Akkadian civilizations.
Source: Studied this last week. :)
Mount McKinley is the tallest mountain in the United States
The answer is d
Answer:
Gabby should know this is happening coz of tides and during night the oceans face high tides and low during day.
She can use a mareograph, a tide gauge is a device for measuring the change in sea level relative to a vertical datum. This way she can study the sea patterns also.
hope it helps!