Which of the following is NOT a type of rock?

What is the mass of the sun, in kilograms, based on the revolution period and distance from saturn? express the answer in scient?

How does the amount of water affect hurricane formation?

What major solar event occurs every year on December 21?

Your teacher tells you the sun is going through a period of releasing more energy than normal. what effect does the have on the average temperatures of the earth?

Explain the differences between a tide and a current

Trees in deciduous forest do what? A. Shed leaves during one season B. Grow in a warm Mediterranean climate C. Have needlelike leaves D. Grow in a climate that is cold year round

How many miles long is the great wall of china

What landforms are created at convergent boundaries?

In which direction does the Sun appear to move across the sky? Ofrom west to east from east to west from north to south from south to north

What is a planetary nebula neither a planet nor a nebula?