Spatial transitions are not a type of transition used in essays.

Moreover is an example of an additive transition, which is used to add information to the previous sentence.

But is an example of an adversative transition, which is used to contrast two ideas.

Because is an example of a cause and effect transition, which is used to show the relationship between a cause and its effect.

Using pronouns is not a way to achieve coherence in an essay.

The dog ran, jumped, and played is an example of using parallel structure to achieve coherence, as the three verbs are all in the same tense and form.

The dog ran, ran, and ran is an example of using repetition to achieve coherence, as the word 'ran' is repeated three times.

The dog ran, jumped, and played is an example of using transitions to achieve coherence, as the transitions 'and' and 'played' connect the three sentences.

The dog ran because he was scared. The cat jumped because it was hungry. The bird flew because it was happy is an example of a coherent paragraph, as the sentences are all related to each other and the transitions 'because' and 'and' connect the sentences.

The dog ran. The cat jumped. The bird flew is an example of an incoherent paragraph, as the sentences are not related to each other and there are no transitions to connect the sentences.

All of the above are ways to improve the coherence of a paragraph.

Transitions are the most important element of coherence in an essay, as they connect the sentences and paragraphs and help the reader to follow the flow of the essay.

Transitions should be used only when necessary to connect the sentences and paragraphs and help the reader to follow the flow of the essay.

All of the above are ways to improve the coherence of an essay.