An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments
B)if it is heated and put under pressure for long periods of time
If the temperature was too hot, it would become magma instead and the cycle would start all over again.
