Change Around Us
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
global warming
3.
rain dissolved with sulphur dioxide
6.
browning of fruits enzyme
7.
haber's process
8.
conc. solution of sodium chloride
Down:
1.
alters the speed of reaction
2.
reactants get converted to
4.
rusting
5.
unwanted change in environment
OK