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77julia77 [94]
4 years ago
8

Use the ruler to determine the length of the line measured to the correct degree of precision. 13.2 cm 13.25 cm 130 cm 132 mm

Chemistry
2 answers:
ipn [44]4 years ago
6 0

Answer: B) 13.25 cm

Explanation: A centimeter ruler is used to measure the lengths of objects and the lengths are recorded to two decimal places.

The given numbers are 13.2 cm, 13.25 cm, 130 cm and 132 cm. 13.2 cm has only one decimal place, 13.25 cm has two decimal places, 130 and 132 cm have zero decimal places.

So, the only correct choice is 13.25 cm as it has two decimal places and so its more precised.

lapo4ka [179]4 years ago
3 0
Your answer would be 13.25cm




Hope that helps!!!
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During photosynthesis, plant leaves take in carbon dioxide through _______ in their leaves. a stomata b xylem c phloem
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<h3>Answer:</h3>

Stomata

<h3>Explanation:</h3>
  • Photosynthesis refers to the process that takes place in green plants and some algae.
  • During the process, water and carbon dioxide are converted to nutrients or organic compounds using energy from sunlight.
  • The process takes place in the chloroplast on the leaves of green plants.
  • The water used during photosynthesis comes from the soil and then transported by xylem tissue to the leaves where the process takes place.
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3 years ago
Which of the following is NOT a way that reducing biodiversity directly impacts humans?
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Explanation:

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Biodiversity is the variation of life forms in an area. It is measured by the ability of the ecosystem to sustain different life forms and keep their interaction with the environment.

It helps to maintain and sustain life.

To humans, reducing biodiversity;

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  • fewer ecosystems to appreciate for beauty and recreation. It leads to loss of the ecosystem.
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Loss of habitat directly affects wild animals and not man.

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3 0
3 years ago
1.5 moles are present in 60.0 grams of calcium.
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Answer:

True.

Explanation:

To know which option is correct, let us calculate the number of mole present in 60g of calcium. This is illustrated below:

Mass of Ca = 60g

Molar Mass of Ca = 40g/mol

Number of mole Ca =....?

Number of mole = Mass/Molar Mass

Number of mole of Ca = 60/40

Number of mole Ca = 1.5 moles.

From the calculations made above, we can see that 1.5 moles are present in 60.0 grams of calcium

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3 years ago
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Answer:

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4 0
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