Question

v.
vi.
21. Write the meaning of Idioms and phrases: -
Go broke
iv. Once in blue moon
ii. All there
All up with
Break a leg
vi. At length
22. Write the full forms: -
i. GMT
MD
ii. USN
ОВС
ii. WHO
IRA
23. Write branches of science name: -
i. The study of plants
iv. The study of Soil
ii. The study of heart
V. The study of animal
ii. The study of flowers
vi. The study of fungi
4. Write chemical symbols with their Initials names: -
i. Silver
iii. Zinc
v. Gold
ii. Sodium
iv. Copper vi. Mercury
Alte anu A nawenners name,​

Answer 1

Answer:

once in a blue moon - very very rare