Which definition represents positive numbers and negative numbers in terms of positive numbers?
Positive numbers are greater than zero. Negative numbers are less than or equal to zero.
B
Positive numbers are greater than or equal to zero. Negative numbers are less than zero.
С
Positive numbers are greater than zero. For every positive number, there is a negative number that is its opposite.
D
Positive numbers are greater than or equal to zero. For every positive number, there is a negative number that is its opposite.