Heifer – a cow that has not borne a calf, or has borne only one calf. In North America, a typical farm has about 100 milk cows and as many young female stock called heifers. The heifers are raised as replacement cows.
According to Alfred Wegener, all the major continents formed one giant supercontinent, called Pangaea. About 200 million years ago, the supercontinent Pangaea began to rift.
Sir Fred Hoyle coined the term ‘big bang’ . It is important to note that the Big Bang theory was proposed by Georges Lemaitre but the term was coined by Fred Hoyle.
EXAMIANS