1) The word "pencil" contains two vowels: E and I.

2) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

3) Political campaigns involve strategic activities, such as advertising, public appearances, and grassroots organizing, aimed at promoting a candidate or political party and gaining support during elections.

4) The global push for COVID-19 vaccination campaigns has been a significant focus, with the development and distribution of vaccines to combat the spread of the virus and protect public health.