Exercise increases a body 's strength, and strength is balanced with flexibility and all systems of the body are toned. Given these facts, what helps increase flexibility and muscle tone among the following options: - movement - hydration - fitness membership - fats - hypertrophy - arteries - exercise - Proteins
exercise

Aairplane is used for moving people across bodies of water, and airplanes are responsible for air, noise, and water pollution. Given these facts, what pollutes the environment among the following options: - bacteria - airplanes - deforestation - moon - sun - cells - Smoking - flooding
airplanes

Q: An electrical insulator slows the transfer of electricity, and furthermore, the coating is an excellent electrical insulator. Given these facts, a coating does what to the transfer of electricity among the following options: - amplifies - energy - heat - causes - slows - reduce - enables - retina
A: slows

Question: Aplant requires nutrients to grow, and carbon dioxide is a plant nutrient. Given these facts, what does a plant require for its growth among the following options: - deoxyribonucleic acid - hydrogen and oxygen - Organic compounds - Electrical energy - heat energy - sunlight - Energy. - Carbon dioxide
Answer: Carbon dioxide

*Question*
An animal requires nutrients to grow and heal, and foods contain nutrients that provide people with necessary energy and essential nutrients. Given these facts, what does an animal require to grow and heal among the following options: - pH - food - fats - bamboo - death - sodium - lies - jealousy
**Answer**
food

Burning fossil fuels increases the carbon in the atmosphere, and this atmospheric carbon might be contributing to the greenhouse effect. Given these facts, what is contributing to the greenhouse effect among the following options: - energy of moving objects - mining gold - Warm air moving into cold air - burning fossil fuels - acid rain - melting ice caps - energy usage - single-celled organisms
burning fossil fuels