CLEAN : WC 2018/FILE: Russia picks deaf museum cat as World Cup oracle

What is the primary focus of the introduction section on Mark?

• The challenges of using Mark

• The future of Mark

• The significance of Mark

• The history of Mark

In which scenarios is Mark most commonly applied?

• In educational settings

• In environmental studies

• In financial analysis

• In technological advancements

What is a key takeaway from the conclusion about Mark?

• Mark is rarely used in practice

• Mark is outdated and no longer relevant

• Mark is a versatile concept with broad applications

• Mark is a complex concept with limited applications