C
Since the components in a mixture are NOT chemically bound, you cannot use chemical methods to separate them lest you’ll counter-intuitively mix them chemically to form compounds. Rather physical methods are used to separate the components.
Explanation:
Air is made of a mixture of gases like Nitrogen, Oxygen and Carbon dioxide and particles like dust particles and water vapor. It is a homogeneous mixture because the components are well mixed up proportionately through out the mixture. The different components air can be separated using their different densities or melting and boiling points.
Learn More:
For more on mixtures and compounds check out;
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Answer:
Correct answer is False.
Explanation:
Cambrian explosion refers to period of geological history of our planet in which most of the multicellular organisms appeared in fossil layers. That was some 540 million years ago.
This period indicates that multicellular organisms began to develope in the early Paleozoic era. Before that much of the living organisms were singlecellular. Cambrian is the first period of Paleozoic era and it lasted between 540 and 485 million years ago. It is followed by Ordovician Period.
The bottom line is that Cambrian explosion is related with 'great occurrence of new and developed species'.
<span>My responsibility in this activity within the community is to develop a new community or a new type of neighborhood with new responsibilities and aptitudes. I can face problems and setbacks due to criticisms and complaints that do not bring benefit to the work, however, I can meet positive and optimistic people. As the plan unfolds there are several steps that arise from the initial idea and project guidelines, the construction contains an elaborate and detailed plan and a schedule of activities for each worker. In these guidelines are marked the possible solutions to different types of problems found throughout the work. Transportation, labor, materials and especially the budget. For this there is a list of problem solvency codes and norms and guidelines established for each situation. The citizens of this community will be satisfied with the result.</span>
