Answer:
The good ozone layer can be described as the stratosphere part of the atmosphere which protects the Earth from harmful ultraviolet radiations from the Sun. The good ozone layer is however in a serious depleting condition due to human activities.
On the other hand, bad ozone layer is the part of the troposphere which is polluted. Emissions of toxic gases from human activities is the leading cause of this kind of pollution.
Answer:
Yes your correct, there are populations of fruit flies.
A pumpkin is a fruit because it contains seeds. Most foods that contain seeds are fruits.
For example: A tomato is a fruit, and so is a cucumber!
A. because if any population decrease, any other specie will decrease like a chain reaction
