Answer: Water that's safe to drink should ideally be clear with no odor or funny taste. One way to tell if water is contaminated is to look for turbidity, or cloudiness. While cloudy water isn't necessarily dangerous to your health, it could signal the presence of unsafe pathogens or chemicals.
Explanation:
The alveoli are surrounded by tiny blood vessels, called capillaries carrying blood to and from the heart.
Answer:
The correct option is 3
Explanation:
An experimental investigation would require an hypothesis, aim, methodology, results, discussion and conclusion.
The third option can be easily answered using the "requirements" above.
The hypothesis (null hypothesis) would be different types of grass do not affect how far a ball rolls
The aim would be to determine the effect of different types of grass on the movement of a ball
The methodology would involve identifying several playing grounds with different grasses and then rolling the ball with a constant force on the different grasses and then determining the eventual speed and distance traveled by the ball on those grasses which would serve as the results. Inferences can then be made from this results and then conclusions drawn subsequently.
Answer:
Nope. Neither fish nor humans see water or air, because both water and air, are transparent.
Explanation:
<u><em>Answer: The Calvin cycle is a process that plants and algae use to turn carbon dioxide from the air.</em></u>
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<u><em>hope its helps you.</em></u>
<u><em> keep smiling be happy stay safe</em></u>
