Related Questions

Sea water is saltier than rain water because ________
A Sea animals are salt producing
B The air around the sea is saltish
C River wash away salts from earth and pour them into the sea
D Sea beds have salt producing mines
The Sea water is more salty than rain water because
A Sea creatures salt
B Air around sea is salty
C Rivers pours salt from the soil into sea
D There are salt mines in sea surface
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
From 7 : 00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased ti fall at a rate of 1.25 inches every two hours. How many inches of rain landed on the ground by 5:00 PM?
A 6 inches
B 7 inches
C 5.5 inches
D 9 inches
Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
A tipping bucket type
B weighing type
C floating type
D Simon’s raingauge
কোন এক বৃষ্টির দিনে ফাউজিয়া জানালার পাশে দাঁড়িয়ে দেখছিল বৃষ্টি উলম্বভাবে 6 km/hr বেগে পতিত হচ্ছে। ফাউজিয়া লক্ষ্য করল, রাস্তায় একজন লোক 4 km/hr বেগে হাঁটছে এবং অপরজন 8 km/hr বেগে সাইকেলে যাচ্ছে। হেঁটে চলা লোকটির সাপেক্ষে পড়ন্ত বৃষ্টির লব্ধি বেগ কত? (On a rainy day, Faoziya observed that rain was falling with a vertical velocity of 6 km/hr. She also saw that a person was walking with 4 km/hr and another person was riding a bi- cycle with 8 km/hr. What is the resultant velocity of rain with respect to the walking person?)
A -7.016 km/hr
B 9.01 km/hr
C 8.21 km/hr
D 7.21 km/hr
E 7.0 km/hr
A stretch of sea water, partly or fully separated by a narrow strip from the main sea is called
A Bay
B Isthmus
C Lagoon
D Strait
Rainbow is seen after rain because of hanging molecules of water which act as
A Lenses
B Mirrors
C Prisms
D Slabs
Specific weight of sea water is more that of pure water because it contains
A dissolved air
B dissolved salt
C suspended matter
D all of the above

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