Explanation: all the continents on Planet,'Earth':
1. Africa,
2.south America,
3.Antarctica,
4. Asia,
5.Australia,
6. Europe.
7.north America
4.6 billion years ago - most likely hydrogen (H2) and helium (He)
probably rich in hydrogen compounds like methane (CH4), ammonia (NH3), hydrogen cyanide (HCN), water (H2O), and formaldehyde (HCHO). Also some N2, CO2 but LITTLE or NO free oxygen.
Molecules of H2 and He move really fast, especially when warm, that they eventually all escaped Earth's gravity and drifted off into space.
Answer:
c)a high birth rate and many individuals in younger age group,
Answer:
It is largest city in Australia and it is located in outback
True. Malaysia and Indonesia both occupy the island of Borneo. This was the answer from the test :)
