Questions

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.

Holland is also known as Netherlands, which means "Low lands". Dutch Engineers reclaimed considerable part of the seabed by building dykes and pumping out the sea water into canals. Some houses in Holland are below sea level. Belgium has also Low lands  bordering the North Sea and dykes are constructed to control the encroachment of the sea.

A sponge has many holes but it absorbs water and can hold them in it.

Nullification is the legal theory that a state has the right to nullify (invalidate) any federal law that it deems unconstitutional

So far, there have not been any situations where this tactic has actually held up, though. In each case, nullification has failed.

VSAT stands for Very Small Aperture Terminal is a satellite communications system that serves home and business users.

Medical Sociology is the systematic study of how humans manage their health problems, wellness and disorders and how they overcome sick to be healthy.