1. Toza ichimlik suvi O’zDst talablari bo’yicha qanday boʼlishi kerak.?

51.Suvga maxsus ishlov bеrishning asosiy usullari?
A. Barcha javoblar to’g’ri
B. Suvni yumshatish
C. Suvni tеmirsizlantirish
D. Suvni stabillashtirish, Suvni chuchuklashtirish va tuzsizlantirish
52.Orol dengizining 1957-yilda maydoni qancha bo’lgan?
A. 57.5 ming km kv
B. 66.5 ming km kv
C. 41.2 ming km kv
D. 32.5 ming km kv
53.Orol dengizining 1977-yilda maydoni qancha bo’lgan?
A. 55.7 ming km kv
B. 66.5 ming km kv
C. 41.2 ming km kv
D. 32.5 ming km kv
54.Orol dengizining 1989-yilda maydoni qancha bo’lgan?
A. 41.2 ming km kv
B. 57.5 ming km kv
C. 66.5 ming km kv
D. 32.5 ming km kv
55.Orol dengizining 2000-yilda maydoni qancha bo’lgan?
A. 57.5 ming km kv
B. 32.5 ming km kv
C. 41.2 ming km kv
D. 66.5 ming km kv
56.Orol dengizining 1957-yilda suv hajmi qancha bo’lgan?
A. 1064 km kv kub
B. 815 km kub
C. 624 km kub
D. 400 km kub
57.Orol dengizining 1977-yilda suv hajmi qancha bo’lgan?
A. 1064 km kub
B. 815 km kv kub
C. 624 km kub
D. 400 km kub
58.Orol dengizining 1989-yilda suv hajmi qancha bo’lgan?
A. 624 km kv kub
B. 815 km kub
C. 1064 km kub
D. 400 km kub
59.Orol dengizining 2000-yilda suv hajmi qancha bo’lgan?
A. 400 km kv kub
B. 815 km kub
C. 624 km kub
D. 1064 km kub
60.Orol dengizining 1957-yilda chuqurligi qancha bo’lgan?
A. 53.4 m
B. 48.2 m
C. 38.3 m
D. 32.5 m
61.Orol dengizining 1977-yilda chuqurligi qancha bo’lgan?
A. 48.2 m
B. 53.4 m
C. 38.3 m
D. 32.5 m
62.Orol dengizining 1989-yilda chuqurligi qancha bo’lgan?
A. 48.2 m
B. 53.4 m
C. 32.5 m
D. 38.3 m
63.Orol dengizining 2000-yilda chuqurligi qancha bo’lgan?
A. 32.5 m
B. 48.2 m
C. 38.3 m
D. 53.4 m