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Q: What makes the halogen group so diverse? Read this paragraph and choose the correct option from the provided answers: The halogen group is quite diverse. It includes elements that occur in three different states of matter at room temperature. Fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. Halogens also vary in color, as you can see in the Figure below . Fluorine and chlorine are green, bromine is red, and iodine and astatine are nearly black. Like other nonmetals, halogens cannot conduct electricity or heat. Compared with most other elements, halogens have relatively low melting and boiling points. You can watch a lab demonstration of the melting and boiling points of halogens at this URL: http://www. youtube. com/watch?v=yP0U5rGWqdg . Choices: - contains alloys - a single state of matter - bonds easily - three different states of matter A:
(Answer)
three different states of matter

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Q: What is created when the warm air at the cold front rises and creates a low pressure cell, causing winds to rush into the low pressure? Read this paragraph and choose the correct option from the provided answers: The warm air at the cold front rises and creates a low pressure cell. Winds rush into the low pressure. This creates a rising column of air. The air twists, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Since the rising air is moist, rain or snow falls. Choices: - Tornado - Hurricane - Wind pressure - rising air column A:
(Answer)
rising air column

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Q: What type of creature is a scallop? Read this paragraph and choose the correct option from the provided answers: Some mollusks, such as oysters and scallops, are important food sources. Choices: - insect - vertabrate - algae - mollusk A:
(Answer)
mollusk