Question

biomes on earth have exhibited changes throughout history that have been caused by a variety of factors. over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.6 billion acres due to deforestation. what factor is likely most responsible for the changes observed in the world’s rainforests?
a. volcanic activity
b. human activity
c. temperature changes
d. solar eclipses

please select the best answer from the choices provided
○ a
○ b
○ c

Explanation:

The problem is about identifying the main factor for rainforest change (deforestation). Volcanic activity (a) is rare and not linked to recent deforestation. Temperature changes (c) are gradual and not the direct cause here. Solar eclipses (d) have no relation to deforestation. Human activities like logging, agriculture expansion cause deforestation, so human activity (b) is the main factor.

Answer:

B. human activity