Skin
20 square feet on average person
The epidermis , the dermis & subcutaneous tissue (hypodermis)
The cerebrum/cortex - they're the same thing named differently
Answer: The activation energy is: the energy needed to get a reaction started
Explanation: this is dealing with enzymes and their reactions
Speciation is the
process by which new and distinct species are formed. One of the most important
factors necessary for speciation to occur is the genetic isolation of two
populations. This genetic isolation can, over long periods of time, cause these
two groups to become genetically incompatible. Factors that can lead to this
genetic isolation include geographic separation and hostility among population
groups.
