(Q).
If an object reflects light toward the eye then that object can be seen, and light is made up of particles called photons. Given these facts, if an object reflects what toward the eye then that object can be seen among the following options: - observe it - sunlight - ultraviolet light - neutrons - Joules - photons - x-rays - positive
(A).
photons

(Q).
Mammals conserve body heat with their hair or fur, and heat is emitted energy. Given these facts, what do mammals use their body hair or fur to conserve among the following options: - food - energy - warm - warmth - strength - sunlight - water - health
(A).
energy

(Q).
Natural disasters can cause animals to leave an environment, and earthquakes are natural disasters. Given these facts, what can cause animals to leave an environment among the following options: - it has normal food supplies - it has earthquakes - energy of moving objects - harmful substances - its a safe habitat - colder weather - the situation is unchanged - deforestation
(A).
it has earthquakes