Define volcanism
Volcanism refers to all processes related to the rise and discharge of magma and gases at the surface or into the atmosphere.
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Bisphenol A (BPA), a common component of plastics in bottles and can liners
A) mimics estrogen and can potentially cause disruption of human reproduction and development. B) causes mutations similar to those caused by UV light and X-rays. C) has been tested by the European Commission and found safe for human consumption. D) has been withdrawn from manufacture and use in the United States.
In terms of area, what are the two largest countries in Sub-Saharan Africa?
a. South Africa and Ethiopia b. the Democratic Republic of Congo and South Africa c. Nigeria and Ethiopia d. the Democratic Republic of Congo and Chad e. Nigeria and Chad
What is the difference between limestone and marble?
A) chemical composition B) crystal size and shape C) color D) source rock
According to the diagram below, what location on Earth most likely experienced this insolation pattern in 2006?
A. Tropic of Capricorn B. Tropic of Cancer C. Equator