Explanation:
Convection occurs in the Earth's mantle because it is the most efficient way for the Earth to cool or dispose of its deep-seated heat content. In general, heat can be transferred by conduction, radiation or convection.
Resource planning refers to the strategy for planned and judicious utilisation of resources. Resource planning is essential for sustainable existence of all forms of life.
(i) Preparation of inventory of resources. (ii) Evaluation in terms of availability for development. The first stage includes surveying, mapping and measurement of characteristics and properties of resources.
A push factor would be something like war or famine or something. A pull factor would be something like a job or new opportunity, its usually for financial reasons in my opinion. Hope this helped!
Similar fossils were found on both continents, some plants are also similar in nature, and the east side of South America looks like it could fit next to the west side of Africa like a puzzle piece.
