How can you tell the difference between humus peat (muck) and sphagnum peat moss? Which is preferable for use in potting media and why?
What will be an ideal response?
Humus peat is more decomposed than sphagnum. It is black and fluffy and has a powdery feel when dry. Sphagnum moss is lighter brown and fibrous.
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Fireplaces with more than one open side are easier to build than a conventional one-sided open fireplace.
Answer the following statement true (T) or false (F)
A person holds a water balloon that contains 0.5 kg of water. He throws it upward so it is 5 meters above the ground at its highest point before descending. What is the balloon’s potential energy at that point? What is the velocity with which the balloon hits the ground? (In this case, all the potential energy is converted into kinetic energy.)
What will be an ideal response?What will be an ideal response?
How do direct expansion cooling coils differ from indirect expansion coils?
What will be an ideal response?
____ ventilation provides equal parts supply and exhaust air through the use of fans.
A. Exhaust B. Balanced C. Supply-only D. Pressurized