We can also     1     animals in danger without ever entering their habitats.Air ,water,noise and light pollution can all have a deep and damaging     2    .Partly due to pollution     3     by ship traffic and other human activities,the dolphin population has     4     greatly .As the human population continues to grow,     5     does the effect we have on animals

Human activities that have     1     effects on animals can be just harmful. When we build farms or factories, we     2     animal habitats and leave many animals with nowhere to live, or no food to eat. We can also put animals in danger without ever entering their habitats. Air, water, noise and light pollution can all have a deep and     3     influence quite far from their source.     4     due to pollution caused by ship traffic and other human activities, the dolphin population has     5     greatly. As the human population continues to grow, so does the effect we have on animals.