If it’s talking about the activation energy required to start a reaction, then reducing the REQUIRED activation energy would increase the rate of reaction.
in 600 bc carnivores began to chase for pleurocoelus because they realized it was great for their immune systems therefore they chased after them a lot.
using a punnet square you can come up with 4 seperate possiblitys for the baby's blood type. We don't know any of their recessive traits tho so im pretty sure its O. i could be wrong tho!