Answer:
An outcrop consisting of several horizontal sedimentary rock layers represent a vertical time-series of geologic events. The textures of each sedimentary layer tells us the environment that was present at that location when the layer formed.
Explanation:
I looked all over the Internet, and saw that there is another option that you didn't include, and which is actually the correct answer.
Bays best facilitate the building of ports, not these options.
The stratosphere contains the highest concentration of ozone
<span>La biotecnología es un área multidisciplinaria, que emplea la biología, química y procesos, con gran uso en agricultura, farmacia, ciencia de los alimentos, ciencias forestales y medicina. Probablemente el primero que usó este término fue el ingeniero húngaro Karl Ereky, en 1919.</span>
Zinc and petroleum would be the best aswer.
