Question

1. What are the causes of the changes occurring in our surroundings?
2. What is meant by man-made changes? Which are these changes ?​

Answer 1

Explanation:

The changes which are brought about by humans are called man made changes. 2. Examples- change of season, tides in sea, ageing of plants etc. Examples- burning of fuels, cutting hair, switching on lights etc.

Answer 2

Answer:

1) what are the causes of changes occurring in our surroundings

ans: From time to time, changes in climate and environmental conditions occur as a result of natural and human factors. ... Such human factors include, air, water and land pollutions, production of greenhouse gases, deforestation, desertification, emission of carbon dioxide, carbon monoxide and other harmful gases.

2. What is meant by man-made changes? Which are these changes ?

ans: Man - made changes are those changes which are created by humans and it does not occur naturally . For example : pollution of air is created by humans by burning fossil fuels and smoke coming out from vehilcles and factories.21-Nov-2014