Hitting an object causes the particles in that object to vibrate, and rock particles vibrate back and forth. Given these facts, hitting a rock causes what among the following options: - heat energy - erosion - energy - friction - flooding - squeeze - contamination - vibration
vibration

Abreathing mask is used for keeping harmful particles from entering the respiratory system, and oxygen enters the respiratory system through the mouth and the nose. Given these facts, breathing masks are used to keep harmful particles from entering the mouth and the what among the following options: - body - eyes - air - skin - gullet - nose - ears - lungs
nose

Atelephone is used for communication by humans over long distances, and effective communication requires skills in conveying and receiving messages. Given these facts, what does a telephone help humans do over long distances among the following options: - send files - Transfers energy - lowered energy cost - hold hands - extremely important - conveying and receiving messages - watch television - A transportation fuel
conveying and receiving messages

Apesticide is used for protecting plants by killing insects, and plants are poisoned by herbicides, animals by pesticides. Given these facts, what do herbicides poison among the following options: - plants - animals - insects - seeds - earthworm - organisms - harm them - dogs
plants