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
geniusboy [140]
3 years ago
10

How quick does it take for hearts to beat

Chemistry
1 answer:
serg [7]3 years ago
6 0

very quick like 4 beats per seconed

You might be interested in
Someone plz help me !!<br><br> Science <br> Or<br> Bias?
Artist 52 [7]
1st one is Science and the 2nd one is Bias
8 0
3 years ago
Balance the equation 2Fe + 3Cl2 → 2FeCl3
Tresset [83]

Answer:

6 Cl0 + 6 e- → 6 Cl-I (reduction)

2 Fe0 - 6 e- → 2 FeIII (oxidation)

4 0
3 years ago
The circle on the left shows a magnified view of a very small portion of liquid water in a closed container. What would the magn
vovangra [49]
Once the water evaporates, you will start to see the minerals that were present in the water before it changed state. If the water was from the ocean, you will see salt crystals in the evaporated water. If the water was fresh, you may see other minerals typically found in fresh water.
8 0
3 years ago
Read 2 more answers
A group of scientists are studying observable matter in a cluster of galaxies. They conclude that the cluster has only a small p
lidiya [134]

Answer:

it is because of Dark Matter

Dark Matter, component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. Dark matter makes up 30.1 percent of the matter-energy composition of the universe; the rest is dark energy (69.4 percent) and “ordinary” visible matter (0.5 percent).

Dark matter is composed of particles that do not absorb, reflect, or emit light, so they cannot be detected by observing electromagnetic radiation. Dark matter is material that cannot be seen directly.

Explanation:

Hope It helps

Have A Nice Day : )

5 0
2 years ago
Which force controls the size of an atomic nucleus?.
klemol [59]

Answer:

strong nuclear force

Explanation:

1, a force that acts on charged particles

2, a force that holds atomic nuclei together

3, gravity, weak nuclear, electromagnetic, strong nuclear

4, strong nuclear force

5, Gravity and the electromagnetic force have infinite ranges while the nuclear forces have very small ranges.

100% :)

3 0
2 years ago
Other questions:
  • Gasoline has a density of 0.749 g/mL. How many pounds does 19.2 gallons of gasoline weigh? Use significant figures. Do not enter
    12·1 answer
  • You must make an aqueous solution that will be a good conductor of electricity. You can pick two substances to add to the water.
    7·2 answers
  • Which of the following equations violates the law of conservation of mass?. . 2Al + 6HCl----&gt; 2AlCl3 + 3H2. . Na2C2O4 + Pb(NO
    12·1 answer
  • What is the molar mass of copper(II)nitrate
    5·2 answers
  • What is the name of the functional group in this compound?
    11·2 answers
  • A common neutralization reaction, that is used in titrations, involves sodium hydroxide, NaOH, reacting with nitric acid, HNO3.
    7·2 answers
  • Where do all the carbons of glucose end up when glucose is completely oxidized?
    11·2 answers
  • Help here are the choices
    9·2 answers
  • Deep fried slugs anyone?
    9·2 answers
  • The question is in the photo
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!