Biology, 13.05.2021 01:00 ochoachanna

1.Which of the following is true of High Intensity Discharge (HID) lighting? a. it tends to generate high levels of heat

b. it tends to generate little heat

c. it is the most recent form of greenhouse lighting

d. it is the least expensive form of greenhouse lighting

2.Which of the following systems is the most expensive method of controlling temperature in a greenhouse?

a. solar heating

b. forced-air heating

c. radiant heating

d. convection tubes

3.Which of the following best describes a passive ventilation system?

A. a system using the natural motion of air through vents to remove hot air from a greenhouse.

B. a system using fans to move heated air around and out of a greenhouse.

C. a system using tubes suspended from the ceiling to move heated air to specific locations.

D. a system using the natural motion of air through heated pipes in the floor to circulate heat.

4.In which of the following kinds of greenhouse would a grower use the primary growing area placement of a type of artificial lighting?

A. an enclosed warehouse with no natural lighting

B. a hoop house to augment natural light

C. a Quonset-style greenhouse to augment natural light

D. a glass greenhouse with non-augmented natural lighting

5.If a lighting system for a greenhouse has an operating cost of $8 per hour and the lighting system is used for 3 hours per day, what would the cost be per month, using a 30-day average month-length?

A.$7,200

B.$720

C.$2,880

D.$240

For all 5 will be 95 points and brainliest help ASAP

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1.Which of the following is true of High Intensity Discharge (HID) lighting? a. it tends to generat...