Treating water is used to remove harmful substances before drinking, and boiling is the most reliable way to treat contaminated water. Given these facts, boiling can make water less what to drink among the following options: - germs - safe - energy - pure - harmful - dangerous - wet - heat
harmful

(Question)
Alight bulb is used for seeing in the dark, and humans are unable to see clearly in the dark. Given these facts, what helps humans see among the following options: - layers of fat - electricity - food - focusing a lens - shadows - dolphins - Light bulbs - pets
(Answer)
Light bulbs

Ques: Phytoplankton are bacteria and algae that use sunlight to make food, and phytoplankton, or plant plankton, needs sunlight to live, the same way plants on land do. Given these facts, what does plant plankton need for food among the following options: - Sunlight - chemicals - glucose - warmth - Bodily water - photons - The Sun - Energy
Ans: Sunlight

(Q).
When the seasons change from the summer to the fall , the amount of daylight will decrease, and all daylight contains a large UV component. Given these facts, what will decrease when seasons change from summer to fall among the following options: - pH - history - darkness - RNA - UV - Sun - N - fun
(A).
UV

Ques:Information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, and intelligence is primarily a genetically inherited trait. Given these facts, intelligence primarily comes from what being pass down among the following options: - surname - Proteins - books - education - animals - Chromosomes - gene flow - satellites

Ans:Chromosomes

Playing is just one of many ways that mammals and other animals learn how to behave, and playing is really fun. Given these facts, how do mammals learn to behave among the following options: - reusing things - Riding a bike - adding heat - sound - Movement - exercise - Having fun - sweating
Having fun