Social Studies, 14.10.2020 14:01 kaylam5599

Select the correct responses to the questions from the drop-down menu. What did scientists study to develop the geologic time scale? Which division of the geologic time scale includes most of Earth's history?

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1. scientists first devoloped the geologic time scale by studying rock layers and index fossils worldwide. with this information,scientists placed earth's rock layers in order by relative age. Later, rafio active dating helped determine the absoulte age of divisons in the geologic scale.

2. Eons are the largest intervals of geologic time and are hundreds of millions of years in duration. in the time scale above you can see the phanerozoic Eon is the most recent eon and began more than 500 million years ago. Eons are divided into smaller time intervales known as eras.

hope this helps have a nice day.

Answer from: slim2077

1. fossils

2.precambrian

Explanation:

What did scientists study to develop the geologic time scale?

✔ fossils

Which division of the geologic time scale includes most of Earth’s history?

✔ Precambrian

Answer from: Quest

Aunitary state is a form of state where power is concentrated and there is a single center of power that extends its actions throughout the territory of the respective state. this, through its agents and local authorities, delegates of that same central power, and in its majority; it can count on a single legislating apparatus; except for certain exceptions, which legislate for the entire country; a judicial power, which applies the current law to the entire territory of the state and within which a supreme court of justice is established, which has jurisdiction at the national level; a single executive power, that is conformed by all the governors (president, governors, mayors, etc.); and a single political constitution, which governs all the territory and to which all the authorities and inhabitants of the state are subject.a confederation (from the latin: confœderatĭo) consists of the union of states that retain their sovereignty and are governed by certain common laws. initially there was talk of "confederation" in the case of alliances, for this reason the word "confederation" is still used in non-governmental civil society institutions. for this reason, the term confederation is also used to describe any type of organization that combines the authority derived from other semi-autonomous entities. in this case, sports confederations can be cited as some examples. however, the word confederation takes much more relevance when it comes to some permanent alliance of states or some association or association of states.characteristics of a federal government system

a) written constitution. also known as magna carta and a necessity of the democracies that form federations to regulate the principles by which the government will be governed, because if they had to act without a body of specific laws would produce confrontations.

b) territorial division. federalism is constituted by the division of powers on the geographical basis of each territory.

c) decentralization. in a federal system there is both a central government and units of government lower than the central one, each making decisions regarding the provision of certain public services in their respective geographical jurisdictions.

d) supreme court of justice. to counteract the rigidity of the written constitution, judicial action is required to interpret said constitution and necessary changes can be made.

Answer from: Quest

answer; role- taking;

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