During the Pleistocene Up to 11% of Earth Was Covered

question 43

True/False

During the Pleistocene up to 11% of Earth was covered with ice.

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Definitions:

Radioactive Compound

A radioactive compound contains atoms that undergo spontaneous decay, emitting radiation as a result.

PET

A medical imaging technique, Positron Emission Tomography, which uses radioactive substances to visualize and measure metabolic processes in the body.

MRI

Magnetic Resonance Imaging, a non-invasive imaging technology that produces three-dimensional detailed anatomical images without the use of damaging radiation, useful in diagnosing a variety of conditions and diseases.

DSA

Digital Subtraction Angiography, a type of fluoroscopy technique used in radiology to visualize blood vessels by subtracting a pre-contrast image from subsequent images, after the contrast material has been injected.