2.Name a)a plant in which seeds are dispersed by explosive mechanism.
b)a plant in which fruits can float in water
3.What are nephrons?
4.Why WBC are called soldiers of the body?
5. What is the speed of a car that travels a distance of 20 km in 5 hrs?name a plant in which seeds are dispersed by explosive mechanism
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A) the members of family luguminacae mostly shows the explosive types of dispersion of seeds eg.peas,
B) willim and silver birches trees fruit floating on water called buyont fruit also coconut can floating on water
3)nephrons are the structural and functional unit of kidney.
4)the WBCs called soldier cells because are protective in function WBCs engulfed the foren partical or organism
5) ans is 4km/h
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