Question

how is the human Lifestyle responsible for the extension of river

Answer 1

Human lifestyle is responsible for extension of desserts because human practices for modernization are continuously increasing due to which it is also converting environment according to its needs and aspirations. like to make buildings, to set up factories, to make colonies, to provide various types of raw materials to the factories.
they are cutting down trees.
they are clearing forests to set up factories.
they are cutting down trees for various products like
wooden shoes,
wood for burning,
wood for making furniture for houses
for so basically they are doing deforestation due to which dessert areas are increasing.

Answer 2

Answer:

Vertebrates include amphibians, reptiles, mammals, and birds, as well as the jawless fishes, bony fishes, sharks, and rays. More than 64,000 species of vertebrates have been described, but the extant vertebrate species represent only a small portion of all the vertebrates that have existed.