If treating H2O is used to remove harmful substances before drinking, then why do we generally treat H2O? Answer choices: - to add water to crops - hydration - vaporization - to water the garden - to drink it - looseness - to track it - evaporation
to drink it

(Question)
If spikes come from tidal energy, then what are used to produce current? Answer choices: - tube - waves - coal - streams - copper - rivers - engines - fibers
(Answer)
waves

Ques: If cell phone use while driving can increase the chances of an accident, then using cell phones while driving can increase? Answer choices: - depress neuronal excitability - nitrous oxide levels - a lot of human deaths - exposure to cold - the chance of an accident - gas mileage - speed limit - death and devastation
Ans: the chance of an accident

(Q).
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
(A).
Something formed from skeleton

Ques:If immunodeficiency occurs when the immune system is broken, then immunodeficiency occurs when the immune system is what? Answer choices: - strong and healthy - expelled - infected - decreases - working great - broken - dangerous - easygoing

Ans:broken

If the Earth being tilted on its rotating axis causes spring, summer, autumn, and winter, then what does the Earth being tilted on its rotating axis cause? Answer choices: - exposure to cold - degrees celcius - death and devastation - h2o - degrees Celsius - tornado - the sun - spring, summer, autumn, winter
spring, summer, autumn, winter