C because the other answers are not logical. A would mean that the population is growing in size. B would mean that a country's population is rapidly declining. D does not give enough information to identify which is higher or lower, nor does it say they are equal. If you have equal birth and death rates, the population will not change.
Answer: B.Portuguese
Explanation:
At a close second to Spanish is Portuguese, with approximately 206 million speakers in South America. Brazil is home to most of these speakers.
Tropical climates are characterized by monthly average temperatures of 18 °C (64.4 °F) or higher year-round and feature hot temperatures. Annual precipitation is often abundant in tropical climates, and shows a seasonal rhythm to varying degrees.
Area. Around the equator, from 23.5° further north to 23.5° southern latitude.
Sun path. Sun at the zenith (90°) at least once per year, never lower than 43°
Average temperature. >20 to 30°C.
Minimal temperature. 0°C (no frost)
Maximal temperature. Up to 40°C (seldom more)
