Here, outside the earth means, outside the exosphere in "Interstellar" and "Intergalactic" space. The question is still in debate, many evidence proves that there may be some kind of organism in outer world, but we are not sure yet. Scientists are working on it, and we hope we will be success in that
A C and D. It cannot be b because scientists have warned people in the past about volcanoes and their possibility for erupting. Earthquakes cannot be predicted however there are warning signs one can look for.
convection cells - large wind patterns in Earth's atmosphere caused by convection. Coriolis effect - the bending of currents of air or water due to ...
