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Yanka [14]
2 years ago
12

What is a mixture and why is the air we breathe a mixture?

Biology
2 answers:
Anna007 [38]2 years ago
4 0

A mixture is a material made up of two or more different chemical substances which are not chemically combined.

Air is a mixture because the components of air are not chemically combined together.

<h3>What is a mixture?</h3>

A mixture is a material made up of two or more different chemical substances which are not chemically combined. This mixture can be separated using physical method.

The composition of the air we breathe include the following;

  • Oxygen
  • Nitrogen
  • Carbon (iv) oxide
  • Noble gases

Air is a mixture because the components of air are not chemically combined together.

Learn more about mixtures here:brainly.com/question/10677519

Lelechka [254]2 years ago
3 0

Answer:

We breathe (mostly) an homogeneous mixture of elements: elemental nitrogen, N2 ; elemental oxygen, O2 . The mixture is homogeneous because the dioxygen and dinitrogen are in the same phase and state.

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Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, these bones having develo
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<em>The biologists clarify these similarities as a homologous pair. This is based on the principle of convergent evolution.</em>

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The bone of human arms, wings of the bat and dolphin flippers contain many of same bones which have developed from the same embryo tissue but the function for each is <em>different in different species.</em>

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Primary succession ______.
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Which description applies to alternative mRNA splicing?A-protein modifications such as addition of a functional group, or struct
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