Read the sentence below, which appears in the brochure “Nanotechnology: Big Things from a Tiny World.” As you read, look for context clues that could help you define any scientific terms.

Scientists have also developed sensors to measure pesticide levels in the field, allowing farmers to use less while still protecting their plants.

According to the context clues provided by the author, what is a pesticide?

something that develops sensors

something that farmers develop

something that monitors pests

something that protects plants

1 answer

Based on the context clues provided in the sentence, a pesticide can be defined as "something that protects plants." The sentence mentions that farmers use pesticides to protect their plants, indicating that the primary function of pesticides is to help safeguard crops.