What is the statistics of tourism in vietnam? what is the number of tourists a year and the amount of revenue generated a year from a) cu chi and vinh moc tunnels and b) pagoda of the celestial lady.

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

5. what is a red giant? can our sun become a red giant? why or why not?

How would you find the measure of one interior angle