Mao declared the Revolution over in 1969, but the Revolution's active phase would last until at least 1971, when Lin Biao, accused of a botched coup against Mao, fled and died in a plane crash.
It was a poem about Philippine American War
When a plant has been without water for a long time, the central vacuoles lose water, the cells lose shape, and the whole leaf wilts. Plants often store sugars, ions, some proteins and occasionally pigments inside the vacuole.
The answer is A since they did show how mathematics and measurement could be used in scientific investigation
