« previous next »

Author Question: How do active and passive solar hot-water heaters work? What will be an ideal ... (Read 77 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Jul 15, 2018
How do active and passive solar hot-water heaters work?
 
  What will be an ideal response?

Question 2

Describe different members of the decomposition food web.
 
  What will be an ideal response?


cadimas

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 15, 2018
Answer to Question 1

A solar collector for heating water consists of a thin, broad box with a glass or clear plastic top and a black bottom with water tubes embedded within. Such collectors are called flat-plate collectors. Faced toward the Sun, the black bottom gets hot as it absorbs sunlight . . . and the clear cover prevents the heat from escaping. Water is thus heated and is conveyed to a tank where it is stored. In an active system, the heated water is moved by means of a pump. In a passive system, natural convection currents are used.

Answer to Question 2

Members of the decomposition food web include scavengers, detritus feeders, and chemical decomposers. Scavengers eat larger dead things and may also eat living (things) some of the time. Detritus feeders are organisms that feed directly on detritus, and chemical decomposers can include fungi and bacteria that cause rotting.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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.

Major features of the Solar System (not to scale) Major features of the Solar System (not to scale)
Vapour-liquid equilibrium acetone + water Vapour-liquid equilibrium acetone + water
Water Access Water Access
Passive shoulder roll: mobilizing technique for the shoulder with recipient in supine position. Passive shoulder roll: mobilizing technique for the shoulder with recipient in supine position.
How humans maintain homeostasis with respect to water and ions How humans maintain homeostasis with respect to water and ions
Video: Bone elongation - processes at the epiphyseal plate

For a complete list of videos, visit our video library