Plz help me on this assignment

This is science by the way which of the following is an example of an environmental pressure a. the air pressure in the atmosphere b. a lake that is gradually running out of water c. a fight between two members of the same species d. breeding between two members of the same species

And intervening opportunity is an example of

Some studies have found that what percentage of students have cheated in some form? a. 10% b. 25% c. 45% d. 75%