수능 문맥 사전

chemical

뜻: 화학적인 · 화학 물질 · 화학적

1. Plants can release chemical compounds that let their same-species neighbors know that an attack is likely coming, pushing those nearby plants to start building up defensive compounds in their tissues. (2026년 시행 6월 모평 36번)
2. If the baby water flea is developing into an adult in water that includes the chemical signatures of creatures that prey on water fleas, it develops a helmet and spines to defend itself against predators. (2022년 시행 수능 36번)
3. If the water around it doesn’t include the chemical signatures of predators, the water flea doesn’t develop these protective devices. (2022년 시행 수능 36번)
4. In the form of forests and grasslands, plants regulate the cycling of water and adjust the chemical composition of the atmosphere. (2022년 시행 9월 모평 35번)
5. Simply maintaining yields at current levels often requires new cultivars and management methods, since pests and diseases continue to evolve, and aspects of the chemical, physical, and social environment can change over several decades. (2022년 시행 6월 모평 38번)