In which sequence are the items listed from least total mass to greatest total mass ?
a. solar system, milky way , universe
b. milky way , solar system, universe
c. universe , milky way , solar system
d. milky way, universe, solar system

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.

The percentage of people in the united states engaged in agriculture in 2000 was approximately a. 56% b. 38% c. 21% d. 2%

What is the only country that borders portugal