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a_sh-v [17]
3 years ago
11

What does a dichotomous key uses

Biology
1 answer:
mixer [17]3 years ago
6 0

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Dichotomous keys always give two choices in each step.

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How did the use of coal affect human activity in the 1800s?
rewona [7]

The railroad industry used coal to power steam engines, allowing businesses to build more factories for the production of goods.

Explanation:

It is also during the 1800s that the use of coal power enabled the smelting of iron and steel, in addition to the powering of steam engines.  Coal and steam engines enabled the building of railroads to transport goods from industries.

Before the discovery of coal in the 1600s, energy was sourced from water wheels and the burning of biomass.

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7 0
4 years ago
What is thought to be the first sense that humans develop?.
Keith_Richards [23]

Answer:

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2 years ago
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