What is the difference between a perennial and an annual plant?

Explanation:

Annual plants live for one growing season and then die, while perennials regrow every spring. The difference is genetic, and yet, a clever "plant gene therapy" technique can be used to change an annual into a perennial

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

since learning about his learning patterns, logan has become very aware of the thoughts and feelings he experiences as he listens to the “internal chatter” of his patterns.