Westonci.ca offers quick and accurate answers to your questions. Join our community and get the insights you need today. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

The pervasive alteration of global ecosystems is mainly the result of:
A) Global climate change.
B) Increased frequency of wildfires in the past 500 years.
C) Human activities.
D) The movement of continents.