Questions

The oxygenated blood  flows through pulmonary veins then leaves the lungs, which return it to the left heart, completing the pulmonary cycle.

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.

With reforms in the public sector banking space, the government has constituted a ministerial panel headed by Finance Minister Arun Jaitley that will oversee merger proposals of state-owned banks. The other members of the panel include Railway and Coal Minister Piyush Goyal and Defence Minister Nirmala Sitharaman.

Potentially hazardous foods are foods that might contain food poisoning bacteria and are capable of supporting growth of these bacteria or formation of toxins to levels that are unsafe for consumers, if the foods are not stored at correct temperatures. Toxins are poisonous chemicals produced by some types of bacteria.

The food can be left at room temperature until it reaches 60 deg C because food-poisoning bacteria will not multiply at 60 deg C or above. However, do not leave food cooling at room temperature unless you are sure that the temperature of the food is still at least above 60 C.

Smoke alarms are also necessary in public places like banks, theaters, rest rooms, aeroplanes,...