Why are no rocks found that date from the first 800 million years of Earth's existence?

Find the volume of a frustum of a right pyramid whose lower base is a square with a side 5 in. and whose upper base is a square with a side 3 in., and whose altitude is 12 in. Round your answer to the nearest whole number

Do stripper in the southern hemisphere spine in the opposite direction then strippers in the northern hemisphere?

Which of the following is defined as a group of countries committed to removing all barriers to the free flow of goods and services between each other, but pursuing independent external trade policies

Glaciers, weather, and water shape Earth by a. Tectonics b. Erosion c. El Nino d. Hibernation

Water can be found in what basic forms

What are the most wide spread Paleozoic fossils?

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.