Which gas is inferred to have been absent from earth's atmosphere during the early Archean era

How fast are the hawaian islands growing?

Which best describes scientific facts?

Is this right? A subduction is when the earths plates move opposite directions.

The rate of soil depends on what?

Which theory suggested that the earth was once a single "supercontinent" that gradually broke up into the continents that we know today? continental drift theory subduction plate tectonics seafloor spreading

What are the two most common languages in South America? A. Spanish and French B. Spanish and English C. Spanish and Portuguese D. Spanish and Dutch

Is velocity and distance the same?

What is the term for a stagnant lake that forms along a winding river due to soil erosion resulting in an abandoned stream, cut off from the river?

The behaviors and beliefs of a group of people can be called its

Which was not a domestic source of South Africa's economic growth between 1950 and 1980? inexpensive energy large workforce thriving industries modern technology