Environmental Science
The most important human activity, leading to the extinction of wildlife, is

Introduction of alien species
Pollution of wildlife, is
Hunting for valuable wildlife products
Alternation and destruction of the natural habitats

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Our seasons are caused by:

The length of the daylight hours
Only (b) and (c) are correct
The angle at which sunlight reaches the earth
The changing distance between the earth and the sun
All of these

ANSWER DOWNLOAD EXAMIANS APP