Answer:
Mass and density
Explanation:
Density of an object is defined as its mass per unit volume. Mathematically, the relation is given by :

m = mass and V = volume
If we know the density of the Eraser and its mass, we can easily find its volume. Hence, the two tools are mass and density.
Answer and explanation;
-The conditions in the pit were harsh, and the work was very difficult. Betty worked 12 hour days eating very little food during the day. She had only break during the day. She often went home so tired she would fall asleep before washing up.
-The belt she wore was uncomfortable and she was often going uphill, or working in deep water. Also Betty says that it was common for male workers to beat the drawers, who were mostly women and children. Betty thought the work was very hard for a woman.
A: a branch of a larger religious group
just took the test
The United States should not get involved in the affairs of other countries.
The President appointed a 3 member mediation panel to settle the dispute with the pilots and American Airlines