All answers are correct. Each of these areas can create safety hazards for people in the workplace, and so in many countries government legislation has been passed to make these topics subject to regulation.
For example, within the UK, it is mandatory for employers to provide compulsory training for em-ployees who may be involved in lifting heavy items, and there are limits placed on the weight which can be handled by any one person. In many cases, mechanised lifting equipment is used to aid or replace humans.

A well-known measure of carbon footprint.
Procurement professionals are encouraged to incorporate environmentally-friendly thinking into their workplace activities and decision-making.

The Act was introduced in 2010. Although this is a UK-centric question it is valid for several rea-sons. Firstly, the UK was one of the first countries to introduce such a wide-ranging Act; secondly the Act is so wide-ranging that all UK managers need to be familiar with it. People who live and work outside the UK may wish to familiarise themselves with the content of the Act to have an idea of what the impact of such legislation might be like.
Interestingly, in the UK, the Act has seldom been used 'in anger'.

It's 'delegated authority' - where the authority to spend has been delegated to others, at a 'lower lev-el' in the organisation.
Normally organisational finance or procurement policies will explain how this is to work, often with a written delegation provided by a more senior manager. The authority to spend is invariably a tem-porary permission, which may be withdrawn under certain circumstances eg breach of rules, exces-sive spend, maverick spend, etc.

The 3 E's are economy, efficiency, effectiveness. The 3 E's are often seen as part of the role of pro-curement in an organisation.
Therefore all the other answers here should be selected, as they are not part of the 3 E's.
The 3 E's are often seen as part of the role of procurement in an organisation.