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Y_Kistochka [10]
3 years ago
5

How is geologic time organized on the geologic time scale?

Biology
2 answers:
Gre4nikov [31]3 years ago
7 0
Here's an explanation to help answer the question

Eons are divided into eras, which are in turn divided into periods, epochs and ages. The terms "eonothem", "erathem", "system", "series", and "stage" are used to refer to the layers of rock that correspond to these periods of geologic time in Earth's history.
sladkih [1.3K]3 years ago
7 0

Answer:

D. Eras and then smaller periods based on geologic and biologic events that occurred.

Explanation:

Geologic time corresponds to a chronological scale that encompasses the billions of years of planet Earth, from its origin to the present day. Geologic time is represented on the geological time scale and is divided into four units, namely: eons, ages, minor periods and epochs. This division is based on geological and biological events that have occurred since the formation of the earth to the present day.

We need to distinguish between the geological timescale and the historical timescale. Geologic time refers to the process of the emergence, formation and transformation of planet Earth. Historical time, in turn, refers to the emergence of human civilizations and their capacity for written communication.

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The condition in which the placenta is implanted in the lower uterine segment near or over the internal cervical os is _________
Maksim231197 [3]

The condition in which the placenta is implanted in the lower uterine segment near or over the internal cervical  is Placenta previa.

<h3>What is placenta previa?</h3>

Placenta previa is a condition in which the placenta covers all or part of the opening to the cervical aperture, which sits at the top of the vagina, and lies very low in the uterus. One in 200 pregnancies results in placenta previa.

<h3>What is called when the placenta is attached to the uterus?</h3>

The syndrome known as placenta increta refers to the placenta's abnormally strong attachment to the uterus and subsequent embedding in the muscle wall of the organ. A disorder known as placenta percreta.

<h3>When placenta percreta occurs?</h3>

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6 0
2 years ago
Bobby touches his newborn brother's palm, and his little brother takes hold of Bobby's finger and will not let go. This is known
VARVARA [1.3K]

Answer: conditioned

Bobby touches his newborn brother's palm, and his little brother takes hold of Bobby's finger and will not let go. This is known as the conditioned reflex.

Explanation:

A conditioned reflex is a response or behaviour learned after birth. So, once the newborn acquires this learned response, they can perform them even without thinking about it.

Thus, Bobby's brother (the newborn) holding on to his finger and not letting go shows that it is a conditioned reflex

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