Question

ਬੱਸ ਸਟਾਪ ਦਾ ਦਿ੍ਸ਼ ਆਪਣੇ ਸ਼ਬਦਾਂ ਵਿੱਚ ਬਿਆਨ ਕਰੋ। ( ਕਿਰਤ ਦਾ ਸਤਿਕਾਰ answer in Punjab​

Answer 1

Explanation:

Aqua Regia (Latin for “royal water”) is an acidic, corrosive, and oxidative mixture of three parts concentrated hydrochloric acid (HCl) and one part concentrated nitric acid (HNO3).These obelisks were believed to have been constructed around 3500 BC and a shadow would be cast by the obelisk as the sun made it's way across the sky. ... This shadow clock or sundial permitted one to measure the passage of hours within a day. Another very early form of clock to tell the time was the water clock.Oct 20, 2016