1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mojhsa [17]
3 years ago
12

Which type of heating system is often used to heat many buildings from a central location

Physics
1 answer:
MakcuM [25]3 years ago
3 0
Central heating is often used in cold climates to heat private houses and public buildings. Such a system contains boiler, furnace, heat pump to heat water, steam or air, all in a central location such as furnace room in a home or a mechanical room in a large building. The use of water as the heat transfer medium is known as hydronics.
You might be interested in
Electromagnetic radiation that behaves like a particle is called a(n) ________.
Luda [366]
It is called photons

4 0
3 years ago
A sample of ice at 0°C has a mass of 23 g and a volume of 25 cm^3. Why does ice float on water? The density of water is 1 g.
vlabodo [156]

Answer: ice float in water due to density differences. Water has a higher density than ice.less dense object in liquid with high density

Explanation: from density formulae.

D=M/V

Density of ice =Mass of ice/Volume of ice

D=23/25

D=0.92g/cm^3

7 0
3 years ago
Can you please help me with this question
yaroslaw [1]

Um it's so dark here I can't find the question lol...

4 0
2 years ago
Simplify<br><br>3+7b+2+2b<br><br>I need to learn how to simplify please<br>​
AVprozaik [17]

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

Answer:

Let's simplify step-by-step.

3 + 7b + 2 + 2b

Combine Like Terms:

= 3 + 7b + 2 + 2b

= ( 7b + 2b ) + ( 3 + 2 )

= 9b + 5

Answer:

= 9b + 5

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

5 0
3 years ago
How do the echoes of the sounds of animals help them?
anastassius [24]
Animals like bats and whales use something called echolocation (sounds or echoes that travel to the other animal) these echoes can let one animal let another one know that danger is near or that food is nearby etc it's like a telephone line
7 0
2 years ago
Read 2 more answers
Other questions:
  • Imagine an alternative universe where the characteristic decay time of neutrons is 3 min instead of 15 min. All other properties
    6·1 answer
  • Distance is the length of a path followed by a particle. The displacement of a particle is defined as its change in position in
    5·1 answer
  • HELP ASAP!! The voltage from a power supply to a light bulb is increased by 2 volts and the current is recorded. A graph of this
    12·1 answer
  • Why is it important that water is present within the cell?
    13·2 answers
  • What is the importance of antacid in human health​
    10·2 answers
  • Which type of graph would be best for showing the percentage of people in a
    11·2 answers
  • A 2.35-kg rock is released from rest at a height of 21.4 m. Ignore air resistance and determine (a) the kinetic energy at 21.4 m
    13·1 answer
  • If the elephant were then allowed to fall straight down, how fast would it be moving when it landed back on the ground?
    9·1 answer
  • What is one way we can use agriscience to affect photosynthesis and increase plant growth?
    10·1 answer
  • Write an email to a classmate explaining why the velocity of the current in a river has no FN C02-F20-OP11USB effect on the time
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!