Well in my opinion I think that it would be B because if deforestation were to happen, then there would be no trees to provide food for any organisms to eat or survive. Hence, it would decrease animal life as well as plant life too.
The correct answer is letter c. traps heat.
The Earth's Atmosphere deals with the sunlight it absorbs in the day, absorbing it and spreading it, which heats up the planet, but at night, the sunlight absorbed weakens and the Earth cools up, but due to the greenhouse effect, it traps certain amounts of heat, which results to hotness of the weather. Greenhouse Effect doubles the heat, because it traps heat when heat tries to leave our atmosphere.
White fur to keep them warm and camouflaged