Sound waves a. are a part of the electromagnetic spectrum b. do not require a medium for transmission c. are longitudinal waves d. are transverse waves the doppler effect occurs with a. only sound waves b. only transverse waves c. only water waves d. all waves

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.