Final answer:
Roosevelt had two hobbies: outdoor activities and conservation. He combined these interests by advocating for and implementing policies to preserve natural resources and create national parks.
Step-by-step explanation:
Roosevelt's Hobbies and how he combined them
The two hobbies that Roosevelt had were outdoor activities and conservation. He loved the outdoors and spent much of his time hunting, fishing, and exploring the wilderness. His passion for the outdoors led him to combine it with his interest in conservation, as he believed in preserving natural resources and creating national parks and wildlife refuges. By advocating for and enacting policies to protect the environment, Roosevelt was able to enjoy his hobbies while also ensuring that future generations would have the opportunity to do the same.