Answer: You should call a doctor, or if it is bleeding then that means your brushing to hard. But if it bleed during the day then apply a wet handkerchief or a gauze pad and tell an adult. Better safe then sorry!
Explanation:
A coffee cup calorimeter<span> is simply a styrofoam </span>cup<span> (or maybe one </span>cup<span> inside another) to provide insulation when materials are mixed inside of it. A styrofoam cover and a sensitive thermometer complete the apparatus.
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Answer:
D all the above
Explanation:
I'm guessing, but this seems like the answer :)
It would be the iris and the lens
The Answer is D. Ways to say not effectively
