Answer:
I believe the answer is B
Mostawa is the correct answer
The bear affects the ecosystem by eating plants and animals which lowers invasive species levels.
The answer is rain percolates through the pavement into the ground below, causing cracks in the pavemen
Answer:
Addition used for 'either or' events , Multiplication used for 'and' events
Explanation:
Addition is used when Probability is of 'one event <u>or</u> other event'
Multiplication is used when Probability is of 'one event & other event'
Ex : Probability of A winning = 0.4
Probability of B winning = 0.3
Probability (A or B winning) = 0.4 + 0.3 = 0.7
Probability (A & B winning) = 0.4 x 0.3 = 0.12