Very funny. Can I do all your homework for you?
Answer:
Where can I get a can opener? hahaha
Answer:
Electrical Conductivity is 3200 
Solution:
As per the question:

Mobility of electrons, 
Mobility of holes, 
Charge, Q = 
Now,
The formula for the conductivity is given by:


Answer:
hope this helps
Explanation:
The elements in the modern periodic table are arranged in order of their atomic numbers, which is the number of protons in the nuclei of the atoms of a an element. Each element has a unique atomic number. The atomic numbers are also whole numbers.
Answer:
The marble will start to decrease in speed
Explanation:
The longer the table is the more the marbles speed would decrease because marbles can only be fast for a certain amount of time