The correct answer is endorphins.
During strenuous exercise, the brain releases the neurotransmitter called endorphins. Endorphins are known as "feel good" chemicals that produce a feeling of euphoria, reduce anxiety and the ability to experience pain. Endorphins also produce a feeling of happiness and relaxation after an intense exercise session.
Navigation rules are those that regulate the way boats are to navigate the water. They are much like the rules of the road for cars.
Their main objective is to establish a consistent way to navigate safely and avoid collisions and accidents.
Answer:
recent African origin (RAO)
Explanation:
The recent African origin (RAO) models claims that all Homo Sapiens living today are the descendants of the humans which migrated from Africa.
This means that the first Homo Sapiens were born in Africa and later migrated to rest of the world. The other hominims were not as adaptable to the environment compared to Homo Sapiens and they died out.
Even though there was interbreeding among different hominims Homo Sapiens are the only surviving animals belonging to the Homo genus.
Answer:
eisenhower - started nasa
kennedy - authored profiles in courage
johnson - got america heavily involved in the vietnam war
nixon - the only american president in history to resign
Explanation:
i googled it. i hope this helps!
The answer is A, the first one