Physical environment affect and limits the activities of the humans. Explanation:

The physical environment is no doubt the greatest limiting factor in the growth and development of man and his knowledge as the earlier man used to worship the nature as he did not know about the use of fire and feared the impact of the night and eclipse of the sun, that was the era of environmentalism.
Now man has masted many aspects of the physical environment but still, the physical environment has an upper hand and dominated the survival and existence of man. The impact of the physical environment can be felt as in the rise of the sea level due to the global warming.
Climate change, increase in desertification and ozone depletion, large scale drought and landscape degradation decline in the food availability and the carrying capacity of the earth. The occurrence of the natural hazards like the hurricane storms and the floods that destroy life and property.
HURRY