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.
Answer: civil engineer
Explanation:
Based on the information given, the type of engineer that would be identified as essential to the success of the project would be the civil engineer.
Civil engineers are the engineers that are in charge of the planning and overseeing building and infrastructure construction. They plan and monitor constructions involving bridges, road, houses, power plants etc.
