The Egyptians devised a calendar of twelve months, with each month containing how many days.

1. ten days

2. twenty

3. thirty

Which of these landforms is NOT common in an area of karst topography? A. sinkhole B. stalagmite C. cavern D. canyon

Why a tsunami often causes a rapid withdrawal?

16. Which process (es) cause (s) thick sediment layers to accumulate along the boundaries of continental and oceanic plates? O A. Marine transgressions O B. Subduction O C. Marine regressions O D. Glaciation

Scientific knowledge of the earth has progressed through the contributions of many. Which was second in scientific history? A. Marie Tharpe's sonography data B. Wegener's continental drift C. proof of seafloor spreading D. Seuss's two continents

Which countries are candidates to be in the european union

What are the terrestrial planets?

What map is used to make road and weather map

What were the Egyptian political and religious leaders called? A. kings B. pharaohs C. emperors D. sultans

What do you think what do you notice about population distribution and settlement location in ancient Egypt

How high does the earth's atmosphere extend? A. 100 m B. 1,000 m C. 10 km D. 100km