The Bystander Effect Is the Finding That ​

question 44

Multiple Choice

The bystander effect is the finding that ​

• A)the probability that a witness to an emergency will help increases as the number of bystanders increases.
• B)a group of witnesses to an emergency will all tend to cooperate to provide help.
• C)people are less likely to provide help when they are in groups than when they are alone.
• D)bystanders' willingness to help depends on the seriousness of the emergency.

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Definitions:

Mafic Magma

Molten rock rich in magnesium and iron, forming dark-colored minerals and volcanic rocks.

Continental Crust

The thick, generally granitic part of the Earth's crust that forms the large land masses or continents, distinct from the denser, basaltic oceanic crust.

Cooling History

The record of the cooling and solidification of magma or lava, which informs geologists about the thermal and crystallization processes of igneous rocks.

Mid-Ocean Ridges

Underwater mountain ranges, formed by plate tectonics, where new oceanic crust is created through volcanic activity.