Answer:
Water is polar and oil is nonpolar so the substances won't mix.
Explanation:
Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. oils are nonpolar, so they will remain separate from molecules of a polar solvent such as water.
Blood first enters the heart's right atrium. A muscle contraction forces the blood through the tricuspid valve into the right ventricle. When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs
<span>its preganglonic neuron and postganglonic neuron</span>
ANSWER
Mixture
Explanation: the air is composed of nitrogen and oxygen
A false crawl<span> is when a turtle comes onto the beach with the intention of laying eggs but returns to the water without nesting. Hope this helps!
This was not copied from a website or someone else. This was from my last year report.
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