What is the gravitational force on a 70kg that is 6.38x10^6m above the earths surface

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force

First to answer will be the brainliest i need the answer asap