Answer: Polarity of a Water Molecule
Explanation: Water (H2O) is polar because of the bent shape of the molecule. The shape means most of the negative charge from the oxygen on side of the molecule and the positive charge of the hydrogen atoms is on the other side of the molecule. This is an example of polar covalent chemical bonding.
Answer: For starch, iodine was used as a reagent. The hypothesis was that color would change blue-black on the starch sample and not on the sugar samples. The results concluded this. Also, tested was an onion and potato.
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Rip currents are caused by breaks or changes in longshore currents.
Waves continually break upon the shore one after the other, they never stop.Water from previous waves runs underneath the waves currently breaking on the shore. This creates a gentle current that runs along the bottom of the ocean, which pull toward the ocean floor. That is mild than a rip current that doesn't present any danger.
Answer:
Mutation
Explanation:
Mutation change the genetic makeup of a population of species over time.
An example is the immunity of plasmodium parasite to chloroquine without time.
Answer:
Clorofluorocarbonos
Explanation:
es decir, los compuestos que contienen cloro, flúor, carbono y posiblemente hidrógeno, se han utilizado ampliamente en las naciones industrializadas en las últimas décadas principalmente como propulsores en latas de aerosol, como refrigerantes y como agentes de expansión, por ejemplo, para producir espuma de poliuretano .
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