1) what is a natural reosurce that is formed from the remains of ancient organisms? a) fossil fuel b) solar energy 2) which of these is renewable natural resource? a) wind b) petroleum 3) what is the process of trees and plants using sunlight to create their own food? a) photosynthesis b) evaporation 4) which natural resources is essential for all living and covers about 71% of the earth´s surface? a) water b) soil 5) what is a common metal that is extracted from the ground and is used to make cans and foil a) aluminum b) gol

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