Option 1 states that the United Nations has declared the year 2005 as the International Year of Physics. This statement is correct. The United Nations did declare the year 2005 as the International Year of Physics to commemorate the 100th anniversary of Albert Einstein`s "miraculous year" in which he published groundbreaking papers on the photoelectric effect and special relativity.
Option 2 states that the 22nd of April every year is observed as Earth Day. This statement is also correct. Earth Day is observed globally on the 22nd of April each year. It is a day dedicated to raising awareness about environmental issues and promoting efforts to protect and preserve the planet.
Both options 1 and 2 are correct, so the correct answer is option 3 - Both 1 and 2.
Alert - correct answer should be option 3.