1. Density Differentiation is responsible for the distinct layers of the Earth. Denser materials (Iron, Nickel, and other elements) sunk deeper and formed the core while less dense materials(aluminum, calcium, oxygen, silicon, etc.) formed the crust and mantle.
2. The debris which were orbiting the Earth from an impact accreted together to form the Moon.
3. Volcanic Eruptions which spewed large amounts of gasses (carbon dioxide, nitrogen, and other gasses) were attributed for the creation of the first atmosphere here on Earth. This process is also known as Volcanic Outgassing.
4. All elements which are heavier than Iron (Fe) are formed from Supernova explosions.
5. The process involved in the formation of planets and the moon from materials in the solar nebula and debris is called Accretion.
Answer:
B, C, D
Explanation:
Examining an image of the country can't help you identify the culture, as you wouldn't be able to see anything except the outline of the country.
Talking to a person from the culture will help you be informed from someone who has grown up in the culture.
Studying the culture's political system will help you understand how the culture conducts political matters.
Looking at a country's imports and exports can show you how and what the country uses.
Answer:
Spain by "then" will be a depopulated nation dominated by elderly and single people,the country will have lost 5.3million inhabitants, or 11% of the current population, by the middle of the century. If the trends continue, by then the over 65s will make up 34.6% of the population while close to a quarter of a million Spaniards will be over 100yrs old.By that date there will be 1.7million fewer children under 10 than there are now.....
Answer:
B. Two to three years of age.
Explanation:
At this age children develop the strict adherence to rules. According to Piaget, after two years of age, children is able to obey and follow simple rules, that's the definition of morality for Piaget.