Answer:
The first hypothesis is that human hunting drove this animals extinct.
Another is that they disappeared due to climate change.
A third hypothesis envisages anthropogenic fire as a cause of extinction of at least some megafauna
Step-by-step explanation:
envisages means to contemplate or conceive of as a possibility or a desirable future event.
anthropogenic fire is the human use of fire as a tool. In anthropogenic fire, fire is intentionally lit, controlled and used as a tool for gathering, hunting large game, enhancing plant resources, managing the landscape and fighting battles.
just incase you want to ask