Solution:The correct sequence in chronological order of their publications is: (b) Age-Area Hypothesis, (a) Sapir-Whorf Hypothesis, (d) Energy theory of culture, (c) Cultural Ecology. The Age-Area Hypothesis, proposed by Clark Wissler in 1923, suggests. a relationship between the age of cultural traits and the area they occupy.The Sapir-Whorf Hypothesis, developed by Edward Sapir and Benjamin Whorf in the mid-20th century, posits that language shapes thought. The Energy Theory of Culture, introduced by Leslie White in the 1940s, emphasizes energy capture as a determinant of cultural complexity. Finally, Cultural Ecology, prominent in the 1950s, led by Julian Steward, examines the relationship between culture and the environment. This sequence illustrates the evolution of anthropological thought and highlights how scholars have continuously engaged with diverse facets of human life and culture.