Answer:
iron
Your water might be affected by iron, which is a commonly-occurring constituent of drinking water. Iron tends to add a rusty, reddish-brown (or sometimes yellow) color to water. If the color is more black than red, your water might contain a combination of iron and manganese.
The atomic number for Neon is 10.
I do not see the info for the second part of the question
It helps you determine the amount of watts a turbine produces because math is the only way to go
Answer: The first one (3*6)+2/2 will equal 19.
Explanation: If you use the order of operation you would do 3*6 first then add that to 2/2. So it would be 18+1=19.