What was Great Britain’s policy using African Americans during the war

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.