Mass communication of the twenty-first century has

My younger brother and sister help me over my work  

Portion plates used to be ubiquitous at homes once upon a time and have a scientific approach towards eating in measured proportions

I think that capitalism is not a better economic system for our country. 

Select the alternative that will improve the bold part of the sentence in case there is no improvement select “No improvement”.

Bacteria is the most common form of life.

Select the most appropriate option to substitute the bold segment in the given sentence.

Select the option that will improve the bold part of the given sentence. In case no improvement is needed, select 'No improvement required'.