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.
Do you mean like credit cards or cash stuff like that
Answer:
because he did great things
Explanation:
Answer:
curb the influx of Chinese immigrants to the United States, particularly California, The Chinese Exclusion Act of 1882 suspended Chinese immigration for ten years and declared Chinese immigrants ineligible for naturalization. President Chester A. Arthur signed it into law on May 6, 1882.
Explanation:
A president can have a impact on reform and progressiveness. It can be done by starting or strengthening programs that improve lives.