Weather.
M. Gorbachev expressed to then President of the Church of Jesus Christ of Latter-Day Saints that the US would be ruled by communism by several, small spoonfuls of socialistic policy changes that will occur slowly.
On the Western Front at the start of World War II, from September of 1939 to April of 1940, active combat on a major scale did not occur. The Germans called this period in the west the "sitzkrieg", while the western allies dubbed it the "Phoney War". One of the activities that did occur was leaflet-dropping: planes from both sides of the war dropped paper leaflets with various propaganda messages intended to influence the citizens and soldiers of the enemy.
1946
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Hunley
microevolution
prenatal
microevolution
It's "period"
Evolution happens over a long period of time, so nothing suddenly changes. Unless you're talking about pokemon. I believe you're thinking of divergent evolution.
all ofthe changes on earth surface occur slowly
Chemistry
Changes in the earth's atmosphere over a short period of time are referred to as climate change. These changes can occur naturally or because of humans.
A period of intense technological changes encourages mergers and acquisitions.
Changes occur because this is the period in which the body changes from a child into an adult. The sexual organs develop and allow the person to be able to create new life, IE, babies. It is the circle of life. IT'S ADOLECENCE, THEY Occur cuz you need to become a grown up so that you can have sex...HOW old are you?
what different intellectual changes occur during puberty
evolution