Answer:
A. volcanic ash layers were regularly interspersed between the sedimentary strata.
Explanation:
- In order to assign the absolute dates to the fossil records of the sedimentary core that have been deposited n the inland areas of the seafloor bottoms.
- The geologist studies the ash layers and sedimentary gaps that are found between them and as to find out the irregulars and the regularities that existed in the rocks at that time.
<span>In 1948, members voted to give the United Nations legal permission to monitor health problems around the world. This action is an example of a mandate. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your help.</span>
Answer:
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Answer:
Water in this area may have been leftover from ancient times when saline seas occupied the western U.S., and, also, as rainfall infiltrates downward into the ground, it can encounter rocks that contain highly soluble minerals, which turn the water saline.
