A mixture of sand and naphthalene can be separated by ___ ?

✅ A. White Dwarf

✅ C. No eye

✅ B. It does not carry any charge

✅ B. Lithium

✅ D. Heart

The heart pumps blood through the circulatory system. Read more

✅ A. Provide striking surface to the wings for flying

✅ A. Zoology

✅ C.  Wattmeter