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ElenaW [278]
2 years ago
15

I. An atom is the smallest unit of an element and a molecule is made up of two or more atoms chemically bonded together.

Biology
1 answer:
kenny6666 [7]2 years ago
5 0

Answer:

I think it's the first and the second ... but I'm not sure

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Emily is given an object by her grandmother. She is told it is worth a lot of money. Emily thinks it is quite ugly on the outsid
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Answer:

Rock

Explanation:

Minerals are inorganic substances that occur naturally in nature and have a  

a definite chemical composition and a crystalline structure while rocks may consists of one or many minerals together along with some organic remains due to which it may not look shiny and crystalline from outside.  

Here, the two characteristics that enable the reader to identify the object given by grandmother to Emily as rock  are –  

a) Looks ugly on the outside (shows the presence of organic matter)

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3 years ago
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nasty-shy [4]
.5 of a micrometer in width
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Answer:

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Respiration in Organisms:- Visit the doctor. Learn about the various diseases related to respiratory system. What are the measur
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The diseases associated with the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), lung cancer, etc.

<h3>What are respiratory diseases?</h3>

Respiratory diseases are different types of conditions/disorders that affect our respiratory airways.

These types of diseases (respiratory diseases) hamper our ability to take oxygen from the air.

In conclusion, The diseases associated with the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), lung cancer, etc.

Learn more about respiratory diseases here:

brainly.com/question/2152557

#SPJ1

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