can we make websites and application using html

Answer 1

no..HTML is just an representation of elements.Inorder to perform some actions you need to learn JavaScript/php .For styling your site you must lookup CSS..ofcos all these are very less.go for w3schools.con

Answer 2

only website's can be made

Answer 3

if u us only html, u well create a page to read only, not active with u so you have to use css to style and JS