Describe the difference between hydraulic action and attrition.

What was one of the biggest challenges faced by the Jewish settlers who arrived in Israel beginning in the 1880s? A-digging wells to provide themselves with adequate drinking water.

Which statement is true for all minerals? A. They have a crystalline structure. B. They contain useful metals. C. They are made of silicon and oxygen. D. They are too hard to be scratched with a nail.

Scales can represent a. A range of information c. Proportional measurement b. A range of resources d. All of the above

What is the highest mountain in Mongolia?

What phrase best defines a galaxy

Which body of water is found to the east of costa rica? a. el oc ano pacifico c. el mar del norte b. el oc ano atlantico d. el mar caribe

How old is the milky way galaxy?

Describe the Great Barrier Reef. Why is this site considered one of the world's most important ecosystems?

The diameter of a circle is 5.5m. Find the area of the circle. Give the exact value

Which of the following clouds has the highest base? a. stratocumulus b. cirrocumulus c. altocumulus d. nimbostratus