Wind is considered to be a biotic factor.
Answer:
The need for continental time zones stemmed directly from the problems of moving passengers and freight over the thousands of miles of rail line that covered North America by the 1880s. Since human beings had first begun keeping track of time, they set their clocks to the local movement of the sun.
Answer:
Organic molecules produced from spontaneous synthesis or from meteorites
Explanation:
Betelgeuse is colder but more luminous
BB or Bb because brown eyes are dominant and blue eyes are recessive.
