I don't understand what his means
The earth isn't getting bigger even though the continents are spreading apart is because the continents are simply being shifted from one location to another, but no land or mass is being created. The mass of certain parts of the world is simply being displaced from one location on the earth to another or its shape is simply being changed by being pushed up or below the earth's surface.
The Brazilian highlands are not in Brazil
These differences in the amount of sunlight cause differences in temperature. ... As a result, the biomes located there (tropical rainforest, tropical grassland, and the warm desert) receive the most sunlight and have the highest temperatures. Another notable difference between biomes is the amount of precipitation.