<span>I think this is partly true and partly false. It is partly true because plants undergo in a process called photosynthesis and it is sunlight that makes them do this. It is partly not true because literally the sunlight can't be considered a food source because it actually don't give you food.</span>
The correct answer is (b) <span>They can be directly observed.</span>
Strong, naive, perfect balance of strong and naive.
Answer:
Benedict's solution is the indicator for sugar which is made up from copper sulfate and sodium hydroxide
the positive result is the observation of brick-red precipitate.