Glaciers that form high up in the mountains are classified as
a. arctic
b. alpine
c. frozen
d. continental

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

The european union was formally established in