Ques:Q: The digestive organs within the abdominal cavity are held in place by the peritoneum, a broad serous membranous sac made up of squamous epithelial tissue surrounded by this? Choices: - mucus - skin - bone - connective tissue A:

Ans:connective tissue
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Ques:Q: The group 18 gases that have 8 valence electrons are referred to as what type of gases? Choices: - novel - important - metal - noble A:

Ans:noble
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Ques:Q: What type of species have a large effect on the balance of organisms in an ecosystem? Choices: - decomposers - producers - secondary consumers - keystone A:

Ans:keystone
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Ques:Q: The combined gradient that affects an ion includes its concentration gradient and its what? Choices: - radiation gradient - cell membrane - electron bond - electrical gradient A:

Ans:
electrical gradient
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