The stone steps, ____ needed to be replaced. (They were worn down).

The pesticides need to be replaced because these

Organising involves a series of steps that need to be taken in order to achieve the desired goal. Explain these steps.

Find the error in the given sentence and correct it . My shoes were worn out so I had to buy a new one.

A person moves Up 4 steps and came down to 5 steps. Where is he now? Show it on vertical line.

What neccesary steps need to be kept in mind during sowing of seeds?

List down the steps involved in PCR