While examining layers of rock, a geologist states, the sandstone is older than the limestone. what has the geologist determined? the absolute ages of the rock layers the relative ages of the rock layers the half-lives of elements within the rock layers the specific-lives of elements within the rock layers

The answer to the question presented above would be 'the relative ages of the rock layers'. While examining layers of rock, a geologist states that he sandstone is older than the limestone. The geologist has determined the relative ages of the rock layers.

Cpopulation density

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.