Fill In The Blank: Directions: Supply the missing words to complete the sentences in the
paragraph. Choose your answer from the box below.

pollutants abiotic factors organisms
polluted acidic

Temperature, soil and light, are ______1______that can influence the survival of
organisms in an area. Thus, a change in the abiotic components could also affect the
conditions of _____2______ in an ecosystem. Some human activities like mining oil, gas
and coal could alter the abiotic factors by exposing the groundwater to ______3______. It
causes water draining from mines to be extremely _____4____ and carry heavy metals. As
a result, the water released to the land surface becomes _______5_____.