1. State true or false
a) Crystallization process is a purification process.
b) frequent climate change depends upon some natural elements.
c) galvanization process cannot resist rusting.
d) polar regions having hot and dry climate.
e) blowing a balloon is a chemical change.
f) the number of plants and animals present in an area can be considered as the factors or elements of weather.
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1
Answer:
1) true
2) true
3) true
4) false
5) false
6) true
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