Jan is an endurance athlete. due to her activity level, she needs more calories than the average female. for her to perform at her peak, it is recommended that the majority of her calories come from

Carbs; fruits and vegetables, maybe grains and lentils. 

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

This movement is also referred to as  glacial plucking