Give scientific reasons: The effects of deforestation are observed to be severe.

(N/A) Deforestation leads to significant regional and global climatic changes.
$1$. The removal of forests results in a decrease in rainfall patterns.
$2$. Soil erosion increases due to the loss of vegetation cover,which significantly reduces soil fertility.
$3$. The balance of the ecosystem is disrupted.
$4$. Many organisms lose their natural habitats,leading to them becoming endangered or extinct.