Questions

The aim of science is to get an understanding of the natural world, while the aim of technology is to use that understanding to improve people's lives. 

Hence, Advances in science can lead to new technology.

A deliverable is a measurable, verifiable work product such as a specification, feasibility study report, detailed design document, or working prototype.

A program is a group of related projects managed in a coordinated way to obtain benefits and  control  not available from managing them individually. Programs may include elements of related work outside of the scope of the discrete projects in the program.

For example:

A New car model program can be broken up into projects  for the design and upgrades of each major component (transmission, engine, interior, exterior) while the ongoing manufacturing occurs on the assembly line

Exchange Traded Funds (ETFs) are a relatively new phenomenon and are gaining popularity rapidly. This post outlines the key features of an ETF.

ETFs are like mutual funds because they hold an underlying asset like stocks, debt, commodities future contracts etc. If you are new to the concept of an ETF, think of it as a mutual fund, and build your understanding from thereon. An example of an ETF is the SBI Gold ETF, which holds physical gold as its underlying asset.

Here ‘passed each other’ means crossed each other’s path. No preposition is required by ‘passed’.

Oligopoly is market structure where a small number of large firms are there. Oligopolistic industries are characterized by a few dominant firms and substantial entry barriers.

TRAP, RST7.5, RST6.5, RST5.5, INTR.