Explanation:
Tea cools faster in a cup than in a kettle because when it is on a cup it is more spread out so the cooler air around it is able to cool down each molecule faster than if it were in a kettle which is cooling down slower because the tea is not a spread out
A. A control group is given the experimental treatment.
<span>perpendicular to the direction of wave motion </span>
A. the carbons are unbalanced
B. the hydrogens are unbalanced.
D. the chlorines are unbalanced.
That leaves C. to be correctly balanced.
It is D) raising a 200 kg box to a height of 2 m using an inclined plane of length 8 mI think .