Ques:Q: What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called? Choices: - loam - sand - sediment - soil A:

Ans:soil
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Ques:Q: What is the most common type of volcano? Choices: - geyser - block cone - flat - cinder cone A:

Ans:cinder cone
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Ques:Q: Echinoderms have a unique system for gas exchange, nutrient circulation, and locomotion called the water vascular system. the system consists of a central ring canal and radial canals extending along each arm. water circulates through these structures allowing for gas, nutrient, and this? Choices: - water evaporation - nerve exchange - cell exchange - waste exchange A:

Ans:waste exchange
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Ques:Q: How many electrons does lithium have? Choices: - four - seven - two - three A:

Ans:
three
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