An orange is placed on a table in a completely dark room, without any source of light. Which of the following choices correctly describes what an observer will see as he looks in the direction of the orange?
A The orange will be seen by the observer immediately, but it will be very dim.The orange will become brighter as the observer's eyes adjust to the darkness.
B The orange will not be seen at all because light is not bouncing off its surface.
C The orange will only be seen after the observer's eyes adjust to the darkness.
D The orange will be seen by the observer immediately, but it will be very dim.
Explanation:
1 chemical reaction endothermic
2 physical change. exothermic
3 chemical reaction endothermic
Answer:
C
Explanation:
Endergonic reactions use energy to <em>build bonds</em>
Exergonic reactions release energy through <em>breaking bonds</em>
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I think it’s B I’m not sure
The answer is Deoxyribose
