decreasing
If the gradient is a positive number the curve is increasing, and if the gradient is a negative number it is decreasing.
I think that australian frogs are increasing
pigs are increasing.
Decreasing as human induced Global Warming ravages the Earth.
The number of tiger salamanders were decreasing.
nope
decreasing because of the economic decline
The number of interstate wars (wars betweens countries) has been decreasing over time. However, the number of intrastate wars (civil wars) have been increasing over time.
The number of chefs world wide are surely increasing each year.
Simply look at the number!
Yea
No, in fact it is increasing dramatically.