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
Tema [17]
2 years ago
7

How can we keep food fresh and cold without electricity?

Chemistry
1 answer:
Ainat [17]2 years ago
7 0
We can keep food fresh and cold without electricity by using zeer pots or root cellar. These methods work as they are based underground and temperature underground is much cooler than that of the surface
You might be interested in
Name the type of reaction shown:2C4H10+13O2=8CO2+10H2O
Sonbull [250]

Answer: It is AN combustion

reaction.

Explanation:

3 0
3 years ago
Match these people to the discoveries or work that they are known for. Galileo developed geocentric theory Aristotle developed h
vfiekz [6]

Answer:

Galileo: "Father of Modern Science."

Aristotle: Geocentric theory." (The planests revolves around the earth.)

Torricelli: Invented the barometer. (An instrument which measures pressure.)

Copernicus: Heliocentric theory. (Aka, the planets revolves around the sun.)

Vesalius: Examined the inner workings of the human body

Newton: Developed law of universal gravitation.

Nightingale: Founded nursing profession.

Celsius: Developed metric temperature scale

I hope this helps! Thanks:)

7 0
3 years ago
An amphoteric species is neither an acid nor a base. True or False
umka2103 [35]

Answer: False

Explanation: just took on edge

8 0
3 years ago
The emission spectrum of sodium is shown below. What do the two bright
julia-pushkina [17]

The two lines show that these are the only two lines  that do not cause energy transition in the sodium atom. Option D

<h3>What are the two lines in the spectrum of sodium atom?</h3>

The spectrum of the sodium atom appears as a doublet. This implies that there are two lines in the spectrum and they appear as bright yellow lines that are not spaced apart in the spectrum.

The  two bright yellow vertical lines in the spectrum shows that these are the only two lines  that do not cause energy transition in the sodium atom.

Learn more about spectrum of sodium atom:brainly.com/question/27991355

#SPJ1

5 0
2 years ago
In the cathode ray experiment, the cathode ray is seen to move from the negative disk to the positive disk. What kind of subatom
Tomtit [17]

Answer:

Gixt8x75zurx7txr7x7tzzr7zr7z64zz7z84

8 0
3 years ago
Other questions:
  • A sample of chlorine gas contracts from 550 mL to 376 mL when it is cooled from 63 °C to 12 °C. If the initial pressure of the c
    8·1 answer
  • Which statement is true about your mass?
    9·1 answer
  • What is the hybridization of the central atom, electron geometry, and molecular geometry of H3CCCH?
    10·1 answer
  • Which of the following represents the greatest number of atoms?
    5·1 answer
  • A chemist prepares repares a solution of magnesium chloride (MgCl2) by measuring out 48. mg of MgCl, into a 300 ml. volumetric f
    13·2 answers
  • If an element’s atomic number is 15, how many electrons must it have in order to be neutral?
    6·1 answer
  • In what ways is the process of digestion a physical change?
    12·2 answers
  • Which organisms in soil helps relieve element so they can be recycled
    13·2 answers
  • Why have rainforest plants adapted to be a different shape and size than desert plants?
    6·1 answer
  • Bromine is a halogen, one of the elements in the same column of the periodic table of elements as fluorine. Like fluorine, one b
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!