Question

Change into question form and negative form cause my answer is Does human activity cause floods? Second in negative form, Human activity does not cause floods.

Answer 1

1. Does human actiity causes floods?

2. The human activity doesn't causes floods.

Answer 2

1. Does human activity cause floods?  

2. The human activity does not cause floods. 

(The verb is without -s )

 

Answer 3

Always speak the truth.(Negative)