2 years ago

How do scientists determine when an era ends and an era begins

1 answer:

4 0

Geologic Time Scale.Scientists decide when an era begins<span> and </span>ends<span>, due </span>to<span> mass extinction. ...</span>Scientists determine<span> when drastic changes </span>are<span> made by the fossil record, which shows earths past organisms that have become extinct.</span>

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Resources from the ocean

lawyer [7]

<h3>♫ :::::::::::::::::::::::::::::: // Hello There ! // :::::::::::::::::::::::::::::: ♫</h3>

➷ Some resources that we get from the ocean are:

- minerals

- crude oil

- food

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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3 years ago

Your body works efficiently to maintain its internal balance despite the fact that external conditions often change. This is an

marishachu [46]

This is an example of D. Homeostasis.

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3 years ago

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Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all sub

Leya [2.2K]

Diamond are created from coal after 1000's of years under pressure.
it cause a change in propertied but not elements

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2 years ago

The volcanoes on Mars resemble ___ on Earth.

snow_lady [41]

Volcanoes on mars kinda look like craters on earth. They look like mounds, its hard to explain.

-TheOneandOnly003

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3 years ago

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How do we know that the horse and the donkey are not of the same species? They do not have similar morphology. They are unable t

Tems11 [23]

Answer:

Offspring of a horse and donkey are unable to reproduce.

Explanation:

The biological concept of species states that:

A species is a group of organism with similar characteristics, that can interbreed and have a fertile offspring.

Horse + donkey = mule. A mule is a hybrid and is not fertile.

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3 years ago