The volume of a solid (whether regularly or irregularly shaped) can be determined by fluid displacement. Displacement of liquid can also be used to determine the volume of a gas. The combined volume of two substances is usually greater than the volume of one of the substances.
All donations of clothing, furniture and other resalable items are handled through The Salvation Army Adult Rehabilitation Centers. Donations received help provide services for substance abuse treatment and recovery programs. Call 1-800-1-800-SA-TRUCK (1-800-728-7825) or 1-888-574-2587.
Donations to the Salvation Army can be made online, by calling 1-800-SAL-ARMY (1-800-725-2769) or texting STORM to 51555. AABB, which coordinates a task force to manage blood collection efforts during disasters, put out a call on Sunday for blood donations in the aftermath of Harvey.