Over the Course of 2

question 42

Multiple Choice

Over the course of 2.0 hours,44% of a radioactive material decays.What is its half-life?

• A)3.45 hrs
• B)2.39 hrs
• C)1.12 hrs
• D)0.88 hrs
• E)​1.69 hrs

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Definitions:

Locomotion

The ability or act of moving from one place to another, utilized by living organisms to navigate through their environments.

African Apes

A term referring to the group of primates native to Africa, including gorillas, chimpanzees, and bonobos.

Knuckle-Walking

A form of quadrupedal locomotion in which an animal walks on the knuckles of its forelimbs, typical of gorillas and chimpanzees, and considered an important aspect of hominid evolution.

Bipedalism

The ability to walk on two legs, a key feature distinguishing humans and their ancestors from most other mammals.