Drag each label to the correct image. Match each of Earth's spheres to the materials that make up the sphere.
atmosphere
hydrosphere
biosphere
geosphere

gravity causes stares to cluster i think so

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current