Astream of negatively charged particles is called: alpha radiation gamma radiation a cathode ray an x-ray

How does an observation about an object differ from an inference about that object

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.

If one object has a large redshift and another object has a small redshift, what can we conclude about these two objects?