Explanation: Kerala and coconut trees: Kerala is actually named after the coconut tree. "Kera" meaning coconut tree and "Alam" meaning land so means "Land of Coconut Trees". Kerala is situated on the southwestern coast of India. Kerala's sandy soils are the best for coconut trees which results in higher productivity. In Kerala, interior places with fertile soils and plain regions also give good growth to coconut trees. Thus, the trees Rehana could have seen in Kerala are coconut trees. Pine trees: Pine trees are the dominant plants in many cold regions. It is found in North India, Kashmir, and Uttaranchal hills. Apple trees: In India, Apple is normally grown in hilly regions with a cool-temperate climate. It is found in Jammu and Kashmir, Himachal Pradesh and Uttarakhand. Litchi trees: It requires a tropical climate that is frost-free. It is grown in the states of Bihar, Tripura, West Bengal, Uttar Pradesh, Punjab and Haryana.