Yes iron can conduct heat in fact it comes under the category of good conductors <span>machinery and any thing that is made out of the iron will conduct the
i hop this works ^-^</span>
Answer:
B, increases rate of collisions
Explanation:
Answer : 37 drops are delivered per milliliter of the solution.
Explanation :
The problem gives us lot of extra information.
We want to find the number of drops delivered in 1 milliliter here.
We have been given that, one drop of the solution delivers 0.027 mL of solution.
Let us use this as a conversion factor, 
Let us find number of drops in 1 mL using this conversion factor.

Therefore we can say that 37 drops are delivered per milliliter of the solution.
Answer
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No.
Electromagnetic waves can travel without a medium.
hope this helps and have a great day :)