Question

1) an iron object coated with thin layer of zinc is called———
2) —— an alloy of alumminium is used in aircraft engines
3) —— is the process by which the elasticity and strenght of rubber is improved or hardened
4) —— and —— keep in transmitting electrical signals to and for form the brain through nerves​

Answer 1

Answer:

galvanized iron

duralumin

vulcanisation

neurons and synapses

Answer 2

Answer:

1 galvanisation

2 duralumin

3 Vulcanization

Explanation:

sorry I don't know 4th one sorry