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.
The correct answer is "Baseball." Baseball is a kind of sports that uses bat and ball. There are two team fighting over the most number of homes where there are nine players each. They take turns in battling and fielding (running over the bases). This early game was started in Canada and was brought by the immigrants to the United States.
Answer: The colonies had been practicing limited forms of self-government since the early 1600s. ... that later reflected itself in the town meetings that were held across colonial ... experiment of American self-rule was therefore not a sudden change brought ...
The answer to this question is, B
Answer:
It was an attempt to weaken South's economy and receive the war effort. ... Why is the Civil War considered the first "Modern War"? It was considered the first modern war because it was the first war after the industrial revolution. More technology was invented and modern weapons were used