Question

what role do microbes play in food production? they cause all foods to spoil. they play a crucial role in food production through processes. they are only present in unhealthy foods.

Explanation:

Microbes are involved in many food - production processes like fermentation. They don't cause all foods to spoil and are not only present in unhealthy foods. For example, yeast is used in bread - making through fermentation, and lactic - acid bacteria are used in making yogurt.

Answer:

They play a crucial role in food production through processes.