“A person who studies and observes the natural world is known as:”

"A geologist studies the Earth’s physical structure composition and natural processes such as rock formation plate tectonics and mineral resources. This scientific field is vital for understanding Earth’s history predicting natural disasters and managing resources like oil and water. Geology contributes to environmental conservation and sustainable development making it essential for addressing modern challenges like climate change and resource scarcity with significant implications for global economies and ecosystems."