Describe an example of how necessity brings about technological change?

How does the Chinese government attempt to keep its population under control?

Most of the Arabs in Iraq are what type of Muslims

What are common non vascular plants A Sporophytes B Seaweeds C hornworts or D Gametophytes

Which of the following is a way colonization affected africa? a. it decreased diversity in africa b. it created an import based economy in africa c. it industrialized africa d. it created many unstable governments in africa

How can you measure the rate of tectonic plates moving apart from a divergent boundary (with tools)

Population pressures, especially in Indonesia, are starting to threaten some unique habitats is Southeast Asia. True or False?

On a map, 1 inch equals 15 miles. Two cities are 9 inches apart on the map. What is the actual distance between the cities? The actual distance between the cities is miles.

How does reclamation protect the environment around a mine?

Which "sphere" is not directly studied in one of the main branches of Earth/space science (geology, astronomy, meteorology, or oceanography) ? a. biosphere b. exosphere c. atmosphere d. hydrosphere

What is ridge push? A:cooler, denser crust sinks into the mantle B:when edges become denser and gravity pulls them downward and away from one another C:currents just beneath Earth's crust flow very slowly, causing movement in the plates above them