Soils form from the interplay of five main factors namely Parent material, Time, Climate, Relief and Organisms. Parent material: This refers to the mineral material, or organic material from which the soil is formed.
Answer:
4 billion years
Explanation:
Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.
Answer:
A
Explanation:
Because South America is covered in two sides, the long coast line in chile, and the other side with brazil
Answer:
B. Nation
Explanation:
B is the best answer here because culture, nationality, history, and ethnicity are all directly tied to one's country (nation). Territory and boundary are not as specific, and state is too narrow.