IS_Unit1_Checkpoint 1.3_E

1(a) Answer the following question.

• A. Oxygen

• B. Fuel

• C. High temperature

• D. Fuel and high temperature

1(b) Answer the following question.

• A. High temperature

• B. Oxygen

• C. Fuel

• D. Oxygen and high temperature

1(c) Answer the following question.

• A. High temperature

• B. Fuel

• C. Oxygen and high temperature

• D. Fuel and high temperature

1(d) Answer the following question.

• A. Oxygen

• B. Fuel

• C. High temperature

• D. Fuel and oxygen

2(a) Answer the following question.

• A. This cuts off the supply of oxygen.

• B. This removes the fuel.

• C. This removes the high temperature.

2(b) Answer the following question.

• A. This removes the fuel.

• B. This removes the high temperature.

• A. This cuts off the supply of oxygen.