Which of the following best describes a fen?
Anonymous Quiz
68%
A nutrient-rich wetland with peat accumulation
14%
A saline wetland
15%
A dry area with seasonal flooding
4%
A floodplain wetland
The ‘Turkana Boy’ fossil is associated with which species?
Anonymous Quiz
13%
Homo erectus
71%
Australopithecus afarensis
16%
Homo habilis
0%
None of the above
Which species is often referred to as the 'hobbit' due to its small size?
Anonymous Quiz
19%
Homo sapiens
33%
Homo erectus
33%
Homo floresiensis
16%
Homo habilis
Evaporation is a __ process.
Anonymous Quiz
47%
Exothermic
19%
Isothermal
30%
Endothermic
4%
Isobaric
Which of the following will increase the rate of evaporation?
Anonymous Quiz
16%
Decrease in wind speed
33%
Increase in humidity
37%
Increase in surface area
13%
Increase depths of water bodies
What role does surface tension play in evaporation?
Anonymous Quiz
42%
Increases it
42%
Decreases it
13%
Has no effect
3%
Only affects boiling
Evaporation causes cooling because -
Anonymous Quiz
37%
It absorbs heat from the surroundings.
57%
It releases heat into the surroundings.
5%
It condenses heat.
1%
It generates heat.
Condensation is a/an __ process.
Anonymous Quiz
25%
Endothermic
29%
Exothermic
13%
Isothermal
33%
Adiabatic
Which stage in the life cycle of a tropical cyclone involves sustained winds at 38 mph or below ?
Anonymous Quiz
19%
Tropical wave
22%
Tropical storm
55%
Tropical depression
3%
Hurricane
Which stage in the life cycle of a tropical cyclone involves sustained winds of at least 39 mph & upto 73 mph ?
Anonymous Quiz
16%
Tropical wave
47%
Tropical storm
32%
Tropical depression
5%
Hurricane
A tropical cyclone with sustained winds of ____ or higher
Anonymous Quiz
26%
74 mph
29%
64 mph
22%
84 mph
23%
105 mph
The term "waterspout" refers to-
Anonymous Quiz
64%
A tornado that occurs over water
9%
A tornado that forms in a city
11%
A type of tropical cyclone
15%
A heavy rainfall event
Which country experiences the highest frequency of tornadoes?
Anonymous Quiz
75%
United States
12%
Canada
9%
Australia
4%
India
What is the average lifespan of a tornado?
Anonymous Quiz
45%
Few minutes
30%
Few hours
16%
Few Seconds
8%
Several days
What is the phenomenon called when light bends as it passes through different mediums?
Anonymous Quiz
41%
Reflection
15%
Diffraction
19%
Dispersion
25%
Refraction
What part of the electromagnetic spectrum is visible to the human eye?
Anonymous Quiz
13%
100 nm - 400 nm
62%
400 nm - 700 nm
18%
700 nm - 1000 nm
7%
300 nm - 600 nm
Which type of scattering is most responsible for the blue color of the sky?
Anonymous Quiz
58%
Rayleigh scattering
18%
Mie scattering
18%
Raman scattering
7%
Brillouin scattering
হিমালয়ান পার্বত্য অঞ্চলে জল শক্তিকে কাজে লাগিয়ে যে পেশাই কল তৈরি করা হয় তাকে স্থানীয় ভাষায় কি বলে? (আজকের ভিডিওতে সম্পূর্ণ তথ্য চিত্র দেখানো হয়েছে)
Anonymous Quiz
10%
যাতা
29%
ডাবু
42%
ঘরৎ
19%
চুরুন