The most widely accepted theory is that a meteorite/asteroid plummeted through the atmosphere and caused such a large explosion (which rivals that of a nuclear explosion) that the shock wave was too toxic/hot that it killed pretty much all living creatures on the planet. the dinosaurs had evolved so well for their environment that the huge change caused too much variance for them to survive. only those that were slightly evolved but not entirely (mammals for example) could handle the variance. true or false?

True

Explanation: Some scientists believe that the extinction of the large reptiles did not happen with the fall of the meteor, but rather by gradual changes of the climate that happened during that period.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.