(Question)
You are presented with the question "A scientist who is a space explorer requires what for extended flights?" and the following answer choices: - preserved food - salt and water. - hydration - a hydraulic system - useless heavy objects - short-lived food - hydrate their cells - perishable food Now knowing that astronauts require preserved food for extended flights and an astronaut is a scientist who is a space explorer, choose the best answer.
(Answer)
preserved food

(Question)
You are presented with the question "What is used for detecting prey and avoiding danger by animals?" and the following answer choices: - messengers - feeding - hiding - hearing - hormones - eating - energy - the eyes Now knowing that hearing is used for sensing sound by animals and coyotes use their acute hearing and sense of smell to detect prey and avoid danger, choose the best answer.
(Answer)
hearing

(Question)
You are presented with the question "What can keep a home warm?" and the following answer choices: - cellulose material - an electric stove - Movement of an air mass - plastic wrap - water - bubble tape - electricity - Animal fur Now knowing that insulated material can be used for keeping warm and building insulation is a cellulose material made of ground computer paper and cardboard boxes, choose the best answer.
(Answer)
cellulose material