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

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

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

[supanova_question]

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

True

False

[supanova_question]

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

True

False

[supanova_question]

[supanova_question]

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?

[supanova_question]

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

[supanova_question]

[supanova_question]

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