Because of-
1. Overhunting
2. Pollution
3. Loss or change in habitats
4. Global warming
5. Climate change
6. Deforestation
7. Natural disasters
they are getting killed by other animals thye are food to some other animals
they die
decreasing
It is forbidden to imitate animals in Miami for a great number of reasons. One reason for this rule is because animals bite.
peacocks are decreasing in no. because of climate and human activities
Humans and their habits of pollution.
One reason the dolphins and porpoises are becoming fewer in number is fishing which kills many of these animals every year.
deforestation.
decreasing because of the economic decline
Animals and plants are facing the threat of extinction due to human activities. Such activities include illegal logging,hunting and development of land.Hunting causes many animals to die without having a chance to breed and reproduce.This leads to the decreasing number of these animals and may lead to extinction.
If the gradient is a positive number the curve is increasing, and if the gradient is a negative number it is decreasing.
I could find no evidence that van rentals are decreasing at all for any reason.