Natural Sciences
Academic Disciplines > Natural Sciences
31. 1 pound (lb) is approximately equal to how many kilograms?
32. How many seconds are there in 1 hour?
33. What is 100°C in Kelvin?
34. 0 K is equal to what Celsius temperature?
35. Convert 25°C to Fahrenheit.
36. Convert 212°F to Celsius.
37. How many kilograms are there in 1 tonne?
38. Convert 3 hours into seconds.
39. Convert 0.5 kg into grams.
40. Convert 45°F to Celsius.
41. How many minutes are there in 1 day?
42. Convert -40°C to Fahrenheit.
43. If a minute has 60 seconds, how many seconds are in 2.5 hours?
44. Which SI unit is used to measure electric current?
45. Which SI base unit is used to measure luminous intensity?
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