Because the mutation which does not have any effect on protein code I.e. even after the mutation if the gene still codes the same protein is called silent mutation
When you apply heat with a certain temperature on a substance, it may change state.
For example, pure water boils at 100°C, water changes from liquid to gas, that's a change of state, it only happens if the heat u applied is over or at 100°C.
Answer:
B. Haustorium. Hope this helps
Number 4 is E and Number 5 is D
