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Total distance travelled = 48 X 5 + 40 X 4 = 240 + 160 = 400 km Total time taken = 5 + 4 = 9 hours So, average speed = 400 ÷ 9 = 44(4/9) km/h Hence, option b.
Which hormone act as selective weed killer?
In watershed management, use of Ridge Line' is referred to the
The distinct aroma of freshly ploughed land is due to _____
Which is the capital of Uttarakhand?
Bordeaux mixture was invented by
__________is the fraction of water entering the soil that must pass through the root zone in order to prevent soil salinity from exceeding a specified v...
Barbara McClintok is associated with
Virus that infect plants mostly have genetic material in the form of
Based on mode of organization and functioning groups are classified as:
Which two new soil orders have been added in US Soil Taxonomy after 1975 ?
