Questions

Although demand curves are typically downward sloping to reflect that consumers’ utility for a good diminishes with increased consumption, firm supply curves are generally upward sloping.The upward sloping character reflects that firms will be willing to increase production in response to a higher market price because the higher price may make additional production profitable.

The Indian Navy commissioned the highly   manoeuvrable   fast   attack craft  INS  Tihayu  at  the  Eastern Naval   Command   on   19   October 2016.  The  ship  was  commissioned at  Visakhapatnam  under  the  Naval Officer-in-Charge (Andhra Pradesh) and  would  be  deployed  for  coastal patrol  and  surveillance  operations along the Eastern Coast.

Sunspots are a magnetic phenomenon on the Sun.

The reason a sunspot appears dark is that they are cooler than the rest of the Sun's surface and also the gas inside the spot where the magnetic field is strongest is only emitting about 1/4 as much light as from the rest of the solar surface.