Most of the Earth's Inhabitants Knew When World Population Reached

question 4

True/False

Most of the Earth's inhabitants knew when world population reached 7 billion.

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Definitions:

Siltstone

A sedimentary rock composed of consolidated silt-sized particles, generally mostly quartz.

Shale

A fine-grained sedimentary rock formed from clay and silt particles that tend to split along bedding planes.

Siltstone

A sedimentary rock composed mainly of silt-sized particles, formed by compaction and cementation of silt.

Shale

A fine-grained sedimentary rock formed from clay-sized particles that are compacted and often used as source rock for oil and gas.