Since 2005, New Orleans has undergone significant changes, especially in the wake of Hurricane Katrina. The city has seen extensive rebuilding efforts, with improved infrastructure and revitalized neighborhoods, though challenges remain in areas like housing and economic inequality. Culturally, New Orleans has worked to preserve its rich heritage while also embracing new developments in arts, cuisine, and music. Additionally, the population has shifted, with some residents returning and new Demographics moving in, influencing the city’s social fabric.
it occurs
German
"Has/have occurred" is the present perfect tense. "Already" is an adverb.
Uniformitarian philosophy views the relationship between the present and past as consistent over time, suggesting that the same processes and natural laws that operate today have been constant throughout Earth's history. This perspective underpins the idea that the geologic features and processes we see today are the result of gradual, slow changes that have occurred over long periods of time.
It just change the tense
It's present perfect tense.
Past perfect: had already occurred. Present perfect: have/has already occurred. Future perfect: will have already occurred.
Both the simple present and present perfect tenses are used to talk about actions in the present. However, the simple present is used for general truths or habitual actions, while the present perfect is used to talk about actions that occurred at an unspecified time in the past with a connection to the present.
The past tense of "to occur" is occurred.
It is "changes".
The present tense of "change" is "changes."
Yes of course, the sun has been present for about 6 billion years, the earth has been present for about 4.5 billion years, recorded ice ages occurred between about 300,000 years ago until about 10,000 years ago.