The divergent plate boundaries
A The continents were once joined together
Explanation:
All the continents were once together making a huge one called Pangea.
the nitrogen cycle involves decompisition. and the waste from the animals is then turned into nitrogen.
The answer is A. The ratio goes down as the size of the cell gets larger.
Answer:
With the heavy inner core, the earth's orbit and rotation will remain stable over the long term, giving us day and night and summer and winter. ... These swirling convection currents result in the earth's magnetic field which keeps us properly oriented for travel, and shields earth from deadly cosmic rays
Explanation:
The inner core is the fourth layer inside the Earth. It is a solid metallic ball made mainly of iron. Here, temperatures reach extraordinary levels, estimated to be between 7,200–8,500ºF (4,000–4,700ºC). Although the inner core is very hot, it is not liquid like the outer core.
