Compared to groundwater water, surface water usually contains more

a. dissolved minerals
b. microorganisms
c. dissolved minerals
d. fluorides
e. hydrogen sulfide


b

Trades & Technology

You might also like to view...

Los contactores y arrancadores del motor categorizados para uso en aplicaciones de ciclos de bajo rendimiento donde los requisitos de control están bien definidos se denominan:

a. arrancadores de motor/contactores clasificados por NEMA. b. contactores de iluminación. c. arrancadores de motor/contactores con finalidad definida. d. arrancadores de motor/contactores clasificados por IEC.

Trades & Technology

Horsepower is used to rate the _____.

a. length of operation of a motor b. synchronous speed of a motor c. output capacity of a motor d. thermal protection of a motor

Trades & Technology

Soil texture cannot be changed, but soil ____________________ is very vulnerable to change

Fill in the blank(s) with correct word

Trades & Technology

The majority of atmospheric gas is ____ (N2), accounting for about 78 percent of the atmosphere

A) oxygen B) nitrogen C) ?methane D) argon

Trades & Technology