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12345 [234]
3 years ago
7

Can the crabs see the plankton they eat near the ocean floor?

Chemistry
2 answers:
cricket20 [7]3 years ago
4 0

Answer:

Explanation:

The crabs cannot see the plankton they eat near the ocean floor. For the crabs to see the plankton, some color of visible light would need to reach the plankton so that it can be reflected into the crabs' eyes.

Arturiano [62]3 years ago
4 0

Answer:  

No crabs cant see plankton because there´s no visible light hitting it.

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The molar mass of an unknown material is 78.430 g/mol. What is the mass of half of a mole of the unknown material?
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Answer:

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Explanation:

6 0
3 years ago
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2. What's the kinetic energy of an object that has a mass of 12 kilograms and moves with a velocity of 10 m/s?
Dennis_Churaev [7]
<h2>Let us solve for it </h2>

Explanation:

Energy

It is ability to do work .

There are so many forms of energy .

out of which mechanical energy is also one of the form .

Mechanical energy

It is the energy possessed by the body by virtue of its motion and state .

It is of two types :

  • Kinetic energy
  • Potential energy

Kinetic energy

It is the energy possessed by the body by virtue of its motion .

Its expression is :

K.E=1/2mv²

Here in above question it is given that :

mass = 2Kg

V=10m/sec

K.E will be = 1/2 x 2 x 10 x 10

K.E=100 J

8 0
3 years ago
Fe+CuCI2&gt; FeCI2+Cu balancing equations
Volgvan

Explanation:

To balance a chemical equation implies that we are conserving the number and mass of the reacting species.

Chemical equations must obey the law of conservation of mass "in a chemical reaction, matter is neither created nor destroyed".

This suggests that mass is conserved.

The number of atoms on the reactant side must be equal to that on the product end.

Before proceeding, check the species to see if they have equal number of atoms on both sides:

      Fe      +            CuCI₂        →   FeCI₂               +                        Cu

Elements                 reactants              products

  Fe                               1                             1

  Cu                               1                             1

  Cl                                2                              2

We can see that the equation is already balanced

learn more:

balanced equation brainly.com/question/2612756

#learnwithbrainly

3 0
3 years ago
What is the difference between a nucleic acid and a nucleotide?.
aalyn [17]

Nucleic Acid is a complex organic substance present in living cells, especially DNA or RNA whose molecules consist of many nucleotides linked in a long chain.

Nucleotide is a compound consisting of a nucleoside linked to a phosphate group. They form the basic structural unit of nucleic acids such as DNA.

7 0
2 years ago
Is saliva a element compound or mixture
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