Answer :
amphibians use lungs or gills both
they have three chambered heart and fish have two chambered heart
fish skin is covered with scales
2,8,8 2 and its valency is 2
1500w=1.5kw
time=10 hour
energy=powerXtime
=1.5X10
15 kwh
they have three chambered heart and fish have two chambered heart
fish skin is covered with scales
2,8,8 2 and its valency is 2
1500w=1.5kw
time=10 hour
energy=powerXtime
=1.5X10
15 kwh