25. A: Are you going to the concert tonight? B: No, I have to stay home and _______ my little brother. (A) watching (B) watches (C) watch (D) watched Living in the mountains can be very peaceful. The air is always 26._______ and the environment is quiet. The 27._______ of life is much slower than in the city, which many people find relaxing. There are fewer 28._______, allowing you to enjoy the natural sounds of the wilderness. However, one must be prepared for the occasional 29._______ weather, including snow and strong winds. Many mountain residents choose to 30._______ their own food due to the distance from major grocery stores.

30. Many mountain residents choose to _______ their own food due to the distance from major grocery stores. (A) import (B) buy (C) grow (D) transport **Advancements in Drone Technology for Wildlife Conservation** Drone technology has revolutionized the way conservationists monitor and protect wildlife. Nonprofit organizations like the Wildlife Conservation Society and the World Wildlife Fund have begun employing drones to patrol vast stretches of habitat that are otherwise difficult to access. Drones equipped with cameras and sensors can track animal movements, detect poachers, and even collect data on environmental conditions. This technology allows for real-time monitoring of endangered species and can significantly increase the effectiveness of conservation efforts. Furthermore, drones minimize human interaction with sensitive ecosystems, thus reducing the risk of disturbing wildlife.

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