If a substance has a half-life of 10 million years, what fraction of the atoms

remain after 20 million years?

Which ocean is closest to the arabian peninsula?

When many thin layers, runny lava build up a high level area the result is ehat

The scale on a map uses 3 centimeters to represent 4 kilometers. The distance between two towns on the map is 6 centimeters. How many kilometers apart are the towns?

If the scale of a map is 1cm to 525m, how many (cm) on the map will represent a 4mile stretch of road. [Hint: unit conversion very necessary]

The most widely accepted model for the origin of the moon involves

Places to which the Rohingyas they were displaced

1. What is the trading route between the Indian Ocean and the Mediterranean Sea? 2. What lies between the Arabian Peninsula and India? 3. What is west of Yemen? 4. What is east of the United Arab Emirates? 5.

What types of areas are created by sinking, dry air at 30 degrees north or south latitude?

The us congress passage of the Homestead act in 1862 can be considered a pull factor that caused people to migrate to the us

Name the river that forms a border between the states of washington and oregon