How are eras and periods of the geologic time scale named?

2 answers:

5 0

Answer: the answer is A, They are named for the places where geologists first described rocks or fossils from that time.

Explanation: i took the test and I got it right

Natalka [10]2 years ago

3 0

Answer:

mark me brainliest plz

Explanation:

In the early 1800's a system for naming geologic time periods was devised using four periods of geologic time. They were named using Latin root words, Primary, Secondary, Tertiary and Quaternary. ... Keep in mind that this chart is focused on geologic time periods. There are also geologic Eons, Eras, and epochs.

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Valentin [98]

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Explanation:

According to Newton's law of Gravitation for the first case:

$F_{o}=G\frac{(M)(M)}{d^2}=\frac{GM^2}{d^2}$ (1)

Where:

$F_{o}$ is the gravitational force

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$M$ is the mass of each container

$d$ is the distance between both containers

Now, for the second case the mass of the first container is $1.5 M$ and the second $0.5 M$ :

$F=G\frac{(1.5 M)(0.5 M)}{d^{2}}$ (2)

Finally:

$F=\frac{3}{4} \frac{GM^{2}}{d^{2}}$

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