Answer the following....... Science Assignment Help -

Answer the following……. Science Assignment Help. Answer the following……. Science Assignment Help.

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The waste material left behind after the desired mineral is removed from ore rock is called the

Answer the following……. Science Assignment Help[supanova_question]

Answer the following Science Assignment Help

Aristotle believed that the planets move around the Sun in elliptical orbits.

True

False

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Aristotle believed that everything on Earth is made of one of only four types of material: earth, air, water, or fire.

True

False

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Acid mine drainage contains sulfuric acid, which can kill or harm wildlife.

True

False

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Answer the following……. Science Assignment Help[supanova_question]

1.Identify these as Acidic, Neutral or base

a. ph=7 .

b. pure water .

c. vinegar .

d. blood .

2. Name the two subatomic particles not involved in chemical
bonding?

[supanova_question]

1. A reaction that can go both forwards and backwards is a reaction

2.is salt in sea water a solvent or solute?

3.is ions like potassium in your blood solute or solvent?

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If a $10 investment is worth $30 today, how long ago must that $10 have been invested at 9% interest computed twice a year?

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[supanova_question]

		none currently exist in the universe
		they are very hot and massive
		they burn brightly for only a few weeks or months