Answer:
The burning of fossil fuel
Explanation:
Coming from things like cars, planes, factories, or power plants.
Answer:
the last answer
Explanation:
over time by co-evolution of adaptations that reduce the harm or improve the benefit of the relationship
Answer:
Commensalism
Explanation:
Commensalism is when one organism benefits and the other doesn't benefit and is also not harmed. The tree is helping the orchid and the orchid isn't benefiting or harming the tree.
Chemical weathering changes the composition of rocks, often transforming them when water interacts with minerals to create various chemical reactions. Chemical weathering is a gradual and ongoing process as the mineralogy of the rock adjusts to the near surface environment.
