Questions

Ans. E.
In the given sentences, boiled down is the phrasal verb that should have been used which means summarizing something, to reduce or simplify
(something) to the most basic, essential, or fundamental element(s). In this context it means that the one who had more power succeeded. 'Boiled down' should be followed by 'to' and not 'for', hence option D is incorrect.

Intrapulmonary pressure is the pressure within the alveoli of the lungs.

It is the Interphase, which occurs after cytokinesis. And in interphase we have 3 stages likely G1, G2 and S phase. After cytokinesis we get G1 phase.

The earth receives energy from the Sun in the form of radiation . The Earth reflects about 30% of the incoming solar radiation. In polar areas, solar radiation strikes earth at a low angle. The more acute the angle at which the sunlight strikes, the more atmosphere that sunlight must pass through.