Reverberation time of a room can be increased by covering the walls with better reflectors of sound. true or false

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

An object's buoyant force and weight mean the same thing.a. trueb. false

If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal