List two ways to classify hydroponic systems and give two examples for each
What will be an ideal response?
• Substrate systems (sand, gravel)
• Bare root systems (nutrient film technique, aeroponic)
Trades & Technology
You might also like to view...
In severe cases of overheating, zinc in a brazing alloy may start to burn with a(n) ____ flame.
A. orangish B. whitish C. orangish-whitish D. reddish
Trades & Technology
Convert AC power to DC power using _____.
a. diacs b. NPN transistors c. rectifier diodes d. triacs
Trades & Technology
Battery ____________________ is sulfuric acid and water.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
The SIDI high pressure fuel pump uses a single-barrel piston plunger that is driven by ________
A) A square-lobed cam B) An electric motor C) A three-lobed cam D) A single flat sided cam
Trades & Technology