In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Scott 's party faced extremely difficult conditions on the return journey , mainly due to the exceptionally adverse weather , poor food supply , injuries sustained from falls , and the effects of scurvy and frostbite .
On the way back , Scott 's team had many problems : very bad weather , poor food supply , injuries from falls , scurvy and frostbite .

The James Lange theory is a hypothesis on the origin and nature of emotions and is one of the earliest theories of emotion within modern psychology .
The James-Lange Theory is a hypothesis about emotions .

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water known as a shelf sea .
The continental shelf is a shallow ocean .