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dybincka [34]
2 years ago
13

An earthworm is slithering on a sidewalk towards a grassy lawn which organelles activity contributes most directly to muscle con

traction in an earthworm
1.golgi bodies
2. Chloroplasts
3.mitochondria
4. Lysosomes
Chemistry
1 answer:
givi [52]2 years ago
5 0

Answer:

3. Mitochondria

Explanation:

Numerous mitochondria are found in each muscle cell to provide metabolic energy for muscle contraction.

hope i helped (:

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IrinaVladis [17]
We are going to use Avogadro's constant to calculate how many molecules of

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when 1 mole of CO2 has 6.02 x 10^23 molecules, so how many molecules in

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number of molecules = moles of CO2 * Avogadro's number

                                     = 5 x 10^-2  * 6.02 x 10^23

                                     = 3 x 10^22 molecules 

∴ There are 3 x 10^22 molecules in CO2 exist in lungs 
5 0
3 years ago
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Explanation:

It is false that to study Earth's interior, geologists often rely on indirect methods, such as evidence from fossils. They rely on seismic wave.

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MissTica

Answer:

The correct answer is in an exothermic reaction the energy of the product is less than the energy of the reactants.

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Exothermic reaction is a type of reaction that generates heat.As a result in case of an exothermic reaction the energy of the reactant is more than the energy of the product.

       That"s why the enthalpy change in an exothermic reaction is always positive .

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A) i think is the answerrrrr
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The distance between any two successive places where the shape of the wave repeats itself
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