Answer:
Correct answer: Norepinephrine is a substance that is predominantly released from the ends of sympathetic nerve fibers.
Explanation:
Norepinephrine is a substance that is predominantly released from the ends of sympathetic nerve fibers and that activates the force of skeletal muscle contraction as well as the rate and force of contraction of the heart. Their actions are vital to the fight or flight response, so the body thus prepares to react or withdraw from an acute threat.
Answer:
Kenya
Explanation:
Flamingos are native to tropical Africa, but can migrate to several regions that have salt seaweed lakes, as this environment usually contains large amounts of cyanobacteria and phytoplankton, which are the main food of these animals.
Because of this type of environment, Kenya has a large number of flamigos, who migrated to the country in search of food. This migration takes place once a year and ended up making Kenya a tourist spot for flamingos lovers.
Answer:
The answer has been stated below.
Explanation:
There would also have been more people living all over the world, and peoples' skin colors would have evolved slowly over the years and the people inhabited at higher altitudes would have created more variability because the amount of exposure would have varied as people move around the world. People would have traveled around the earth, but they kept the DNA of their skin color.
Answer:
that would be 4 years terms
Explanation:
