subject

Water in an old building tested recently, showed high copper and iron content, and low ph levels. a water reading taken 20 years before, showed low ph levels and only minimal traces of copper and iron. if none of the new buildings on the same street showed signs of metallic contaminants, but all reported lower than normal ph readings, how might these readings be explained? (where could the metal come from? )

ansver
Answers: 3

Other questions on the subject: Advanced Placement (AP)

image
Advanced Placement (AP), 22.06.2019 12:10, cobbiegirl8996
23. public and private investment in infrastructure include all of the following except a) worker knowledge and skill development b) telecommunication systems, internet provider systems, and power distribution systems c) highways, transit systems, airports, harbors, and educational facilities d) fire departments, police departments, and public safety systems e) water systems, wastewater treatment systems, and navigational systems
Answers: 2
image
Advanced Placement (AP), 23.06.2019 03:00, molinaemily009
Why were the farmers not satisfied with only establishing cooperatives ?
Answers: 1
image
Advanced Placement (AP), 25.06.2019 04:30, yellowsea84
Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor
Answers: 1
image
Advanced Placement (AP), 28.06.2019 07:00, Tiffanyv1262
12 3 4 5 6 7 8 9 10 time remaining 29: 51 shondra is thinking of making payments for her laptop by setting up automatic withdrawals with the store. what must shondra consider before she decides to pay with automatic withdrawals? shondra should be sure she will remember to call the store each month to make the payment. shondra should check her credit history to be sure she has a good credit score. shondra should be sure she will have enough in her account to be able to make the monthly payments. shondra should consult with a credit counseling service. mark this and return
Answers: 1
You know the right answer?
Water in an old building tested recently, showed high copper and iron content, and low ph levels. a...

Questions in other subjects:

Konu
Biology, 04.08.2019 04:00
Konu
Social Studies, 04.08.2019 04:00