Post category:Everyday Science Mcqs Post comments:0 Comments The number of oscillations per second is called the_____. A. hertz B. waves C. pitch D. frequency Read more articles Previous PostThe first chemical explosive, Gunpowder, is a mixture of_____. Next PostSound waves from a loudspeaker are caused by_____. You Might Also Like What is Dry Ice? March 10, 2022 The longest day on Earth is ________? June 21, 2020 Dialysis is used for the treatment of_______. June 19, 2022 Which of the following natural elements has the highest melting point? June 19, 2022 The lifespan of White Blood Cells is __________ day(s)? July 10, 2021 Our Solar system is located in a large spiral-shaped galaxy called? June 19, 2020 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ