Match the events leading up to the formation of the early Earth in order.
A) Formation of proto-planets.
B) Formation of solar nebula.
C) Contraction of interstellar materials.
D) Nuclear fission lights up Sun.
1) First
2) Second
3) Third
4) Fourth
Question 2
The strong promotion by the Chinese government of villagers to move to cities has produced
A) slowing of urban industrial growth.
B) families with increasing numbers of children.
C) loss of rural traditions and lifestyles.
D) stronger family structures.
Earth’s Revolution and Rotation: The Causes of Earth’s Seasons
Tornado Formation: Supercell Tornado Development
Tornado Formation: Tornadoes around the globe.
Earth emits radiation back out to space from all surfaces, both day and night
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
Here, in alphabetical order, are 20 foods and 4 cultures.