How did Redi test the hypothesis of spontaneous generation?
By using an experiment with two jars filled with meat. One was sealed with a lid, while the other was not. After several days, Redi concluded spontaneous generation was false after he realized that with the jar uncovered, maggots formed, and with the jar covered, nothing.
The British are in Concord and that they were coming.
The goat can graze a quarter circle of radius 7m (since the rope length is 7m) within the square plot of 12m. Hence the area it can graze can be given by /4. Therefore (3.14*7*7)/4=38.5sq.m