Author Question: Updating HVAC equipment improves energy efficiency and pays back the expense of installation with ... (Read 85 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
Updating HVAC equipment improves energy efficiency and pays back the expense of installation with savings over a ________ year period.
 
  A) 1- to 3 B) 5- to 7 C) 7- to 10 D) 3- to 5

Question 2

________ is the process of using native plants that require little or no water or maintenance.
 
  A) Xeriscaping B) Regreening
  C) Intensive vegetative roofing D) Landscaping



joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library