A researcher stands at a traffic light and counts the number of cars that make left turns. These findings will be used to determine if an ‘advanced green' needs to be installed. What form of research is being conducted?

________ aim in life is to provide happiness _______ enable a harmonious atmosphere _________ everyone forever.

Fill in the blank with the appropriate word.

Select the most appropriate option to fill in blank.

Find the appropriate word.

Which of the following options is most suitable for blank 5?

Choose the appropriate word to fill the blank.

Select the most appropriate option to fill in blank

Select the most appropriate option for blank No. 85

Find the appropriate word.

Find the appropriate word.