A catalyst works by providing an alternative reaction pathway to the reaction product. a catalyst speeds up a reaction.
An earthquake is the result of a sudden release of stored energy in the earths crust that creates seismic waves.
I think the answer is false because blood flow can't prepare you for a potential encounter. Hope this helps ^_~
A is the answer, hope that helps!
Traits are determined by genes or environment. Genetic contribution to a trait is called the genotype. The outward expression of the genotype is called the phenotype.
