<span>During the twentieth century, absolute date was added to the relative time scale. </span>Geologic time scale uses both relative and absolute dating techniques. <span>Soon after the discovery of radioactivity, geologists used radioactive isotope decay to develop a method for determining absolute ages of rocks</span>
According to the Doppler effect, the sound of a police car siren is louder and high pitched as it approaches the observer.
A = 70, B = 10, C=20, D=20, E= 30, F=50.
Answer:China is officially known as the People's Republic of China.
China has the largest population in the world, with over 1.3 billion people (1,343,239,923) as of July 2012.
China is the 3rd largest country by area at 9,706,961 sq km (3,747,879 sq miles).
China belongs to the continent of Asia.
Explanation:
Cells relate to your genes via genetic code. The genetic code is also what tells the cells what type of cell to become (brain cell, stomach cell, etc.)
