The correct answer is option 1: 7. This means that tropical forests cover approximately 7% of the earth`s landmass. Tropical forests are dense, humid forests found near the equator. They are characterized by high levels of biodiversity and play a crucial role in regulating the global climate.
Option 2: 12 is incorrect. It overestimates the percentage coverage of tropical forests.
Option 3: 17 is incorrect. It also overestimates the percentage coverage of tropical forests.
Option 4: 25 is incorrect. It greatly overestimates the percentage coverage of tropical forests.
It is important to note that while tropical forests cover only a small percentage of the landmass, they are extremely valuable ecosystems that provide numerous environmental benefits and support the livelihoods of millions of people.