If if an object reflects photons toward the eye then that object can be seen, then an object can be seen if it reflects what? Answer choices: - Energy. - vibrations - energy - waves - sound - sun's heat - photons - sunlight
photons
------
If walking is a moderate way to have a positive impact on a human 's health, then what is a moderate way to have a positive impact on a human 's health? Answer choices: - Cooking - walking - high fat - Heart rate - skipping meals - pollution - sweating - food
walking
------
If electrocution causes harm to animals, then what does electrocution cause harm to? Answer choices: - cells - pain - amphibians - animals - Frogs - electrons - humans - water
animals
------
If something formed from skeletons provide food and shelter to many ocean organisms, then what provides food and shelter to many ocean organisms? Answer choices: - It helps them survive - Something formed from skeleton - sedimentary rocks - important habitats - Something with a head, thorax, and abdomen - it protects them - gastropod shells - in their habitats
Something formed from skeleton
------