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
Serhud [2]
2 years ago
14

What is rebar and why is it needed to make tall buildings?

Chemistry
1 answer:
AlexFokin [52]2 years ago
3 0

Answer:

rebar

is gridwork of steel rods

Explanation:

Reinforced concrete is one important component of skyscrapers. It consists of concrete (a mixture of water, cement powder, and aggregate consisting of gravel or sand) poured around a gridwork of steel rods (called rebar) that will strengthen the dried concrete against bending motion caused by the wind.

You might be interested in
what if you drop a small magnet repeatedly it become demagnetized. explain. what is happening sub-atomically?
xenn [34]
I guess the the alignments of the atoms in the magnet are being demagnetized when it's dropped
3 0
3 years ago
An unknown metal displaces Ali from solution but does not displace sodium using the activity series determine the unknown metal
MAXImum [283]

Answer:

The reactivity of metal is determined by the reactivity series. ... The metal which easily displaced aluminium will lie above in the series but that same element cannot displace sodium, so it will lie below in the series. Hence, from the series, we conclude that the unknown metal could be calcium or magnesium.

Explanation:

Hope this helps! :)

8 0
3 years ago
Eukaryotic plant and animal cells each have distinguishing characteristics. For example, plant cells have cell walls, while anim
kolezko [41]

Answer: well the answer is a

Explanation: how because I did that

3 0
3 years ago
Read 2 more answers
2.
Zepler [3.9K]

Answer:2170

Explanation:

8 0
3 years ago
Subway Surfer number 3 it says the color of a substance is an example of a(n) ___ (in science) pick these choices on the image.
RideAnS [48]
C is your answer. Because if you add two of them together you get a compound.
3 0
3 years ago
Other questions:
  • The Earth only has a limited supply of fresh water; eventually, we will have to use ocean water. We will purify ocean water thro
    7·1 answer
  • 1 where does drinking water come<br> from? How might it become<br> polluted or contaminated?
    15·1 answer
  • CaCO3(s) + HCl → CaCl2(s) + CO2(g) + H2O(g)
    15·1 answer
  • A solution was prepared by dissolving 31.0 g of kcl in 225 g of water. part a calculate the mass percent of kcl in the solution.
    11·1 answer
  • HIII , match these up for brainliest
    8·2 answers
  • What is the grams of molar mass of magnesium
    12·2 answers
  • How many moles of solute are needed to prepare a 2.35 liter solution of 2.00 M Cu(NO3)2 solution
    9·1 answer
  • Which of the following is NOT n intensive property?
    10·1 answer
  • Which element has a more protons in it Boron (B) or Neon (Ne)?
    5·2 answers
  • The opposite of an endothermic reaction is a(n) reaction.​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!