Question

chemical spoilage may occur as a reresult of several processes. rewrite using another model auxiliary showing possibility​

Answer 1

The modal auxiliary 'must' expresses an obligation or compulsion. It would replace 'have to', which also refers to compulsion.

So, the right answer is:

You must constantly watch out and talk to 

Answer 2

Answer:

chemical spoilage can occur as a result of several processes.

Explanation:

I hope it's helpful