How does a submarine immerse itself in sea?

How does a submarine work?

(a) How does the current divide itself in a parallel combination of resistors ? (b) How does the pd divide itself in a series combination of resistors ?

How does the current divide itself in a parallel combination of resistors?

(a) How does cryI AC gene express itself in its host? (b) State the role of this gene in controlling the infestation of bollworm.

How does a submarine float and sink?

How does cry I Ac gene express itself in its host?

How does a bat adapt itself to its habitat?

How does a plant protect itself from herbivorous animals?