Which of the following defenistions best describe the commonwealth of nations

Scientist believe that earths core is around 6000°c where does this heat come from

Select all that apply the earth orbits the sun because a. the earth is in motion therefore stays in motion b. the suns gravity pulls the earth in a curved path c. a contact force is pushing the earth

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet? the planet started to cool and an atmosphere formed. the planet started to become round and heat up. the planet started to wobble and turned upside down. the planet started to compress rock and form more radioactive elements.