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fgiga [73]
3 years ago
12

Penelope ______ on her homework when the doorbell rang.

SAT
1 answer:
asambeis [7]3 years ago
4 0
Started? Worked? Either of these.
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Classify each of the following as a nonessential element, essential bulk element, or essential trace element.
Sav [38]

The classification of each of the elements into nonessential element, essential bulk element, or essential trace element are as follows:

Nonessential elements:

  • Alumimium,
  • Argon,
  • Helium

Essential bulk elements:

  • Carbon,
  • Nitrogen,
  • Calcium,
  • Hydrogen

Essential trace elements:

  • Iron,
  • Copper.

The complete question

The elements are: Hydrogen, iron, Copper, Nitrogen, Helium, Carbon, Aluminum, Calcium, Argon

<h3>What is Essential and Nonessential Elements?</h3>

Nonessential elements as the name implies are elements which are not necessary for the functional routine of the body and hence are not included in diets.

Essential bulk elements are elements which are needed for the proper functioning of the body and hence are required in relatively large amounts.

Essential trace elements are required in minute quantities in the body.

Learn more about Essential and nonessential elements;brainly.com/question/861262

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tatiyna
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Do all colleges require Sat info
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When either low-mass or high-mass main sequence stars run out of hydrogen in the core, the core will contain .
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