21. Which statement about globalization is correct? A. Globalization is always a smooth and easy process.
B. Because of globalization, only a handful of world cultures now exist.
C. Globalization helps spread ideas and innovations.
D. Virtually everyone around the world welcomes globalization.

Hich of the following best summarizes the text’s depiction of the ancient indus valley cities (namely harappa and mohenjo-daro)? a. the cities were very plain and simple; the people did not focus on art and architecture, devoting their time instead to agriculture and the bare essentials. b. the cities were adorned, or decorated, with almost overwhelming displays of wealth and artistic architecture. c. the cities were extremely clean, relying on an advanced water and sewer system, though this was mainly constructed for the innermost areas of the cities. d. the cities were clean and peaceful, and they were designed in an extremely organized fashion, using an advanced water and sewer system to keep them this way

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.