Define the term stem cell in your own words

At the casablanca conference, allied leaders signed an agreement to share military technology decided to launch an invasion of southern france agreed to accept only the unconditional surrender of the axis powers agreed to form a scientific team to create the atomic bomb

Many young people traveled by train out of the midwest in search of new opportunities during the 1930s. what term is used to describe their actions

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?