For construction of parking lot, hiking trail, and playground, area is required which results in the destruction of ponds which further affect the population of fish. Due to destruction of ponds, population of fish decreases.
Construction of parking lot, hiking trail, and playground results in formation of waste and the disposal of these waste in water creates water pollution which is harmful for all aquatic species. Thus, polluted water affect the population of fish badly.
In this case, you are given the density( 11.3g/cm3) and the weight (1kg) of the lead. You are asked to find the volume of the lead. To find volume you need to divide the weight with the density. It would be: volume= weight/density volume = 1kg x (1000 gram/kg) / (11.3g/cm3)= 88.495 cm3
