2. Roasting is a method of heating ore: (1)a. In the absence of water.

1.	2. Roasting is a method of heating ore: (1)a. In the absence of water.b. In the presence of water.c. In the absence of air.d. In the presence of air.
Answer» d.) in the presence of air Mark me brainliest BRO

2. Roasting is a method of heating ore: (1)a. In the absence of water.b. In the presence of water.c. In the absence of air.d. In the presence of air.

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d.) in the presence of air

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2. Roasting is a method of heating ore: (1)a. In the absence of water.b. In the presence of water.c. In the absence of air.d. In the presence of air.​

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2. Roasting is a method of heating ore: (1)a. In the absence of water.b. In the presence of water.c. In the absence of air.d. In the presence of air.