True or False Questions

True, Stress is a factor that contributes to heart disease risk.

More factors that contributes to heart disease risk are blood pressure, cholesterol, smoking, physical inactivity and overeating.

The given statement "All bones stop growing by the end of adolescence" is a FALSE statement.

Graphite is a good conductor of electricity as it contains free electrons to move through the structure of the graphite.

Yes, a square is a rhombus. But a rhombus is not a square unless the interior angles are at right angles.

We know that, a square is a quadrilateral with all sides equal and all the interior angles are 90 deg i.e, at right angles. 

Whereas

a rhombus is also a quadrilateral with all sides equal but the interior angles are not at right angles. Hence, if the interior angles of a rhombus are all at right angles (90 deg), then it is square.

True, the given statement that xml preserves white spaces is correct.

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

Yes, Carbon disulfide is prepared by heating sulfur and charcoal. 

S2 + C ----> CS2

We know that, 

Earth is known as Watery planet.

Neptune is known as Blue planet.