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Ivan
3 years ago
14

Which pair of properties describes the elements in Group 18?

Biology
1 answer:
Aleks [24]3 years ago
5 0

Answer: The noble gases are a group of chemical elements that make up Group 18 on the periodic table. These gases all have similar properties under standard conditions: they are all odorless, colorless, monatomic gases with very low chemical reactivity.

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In the structure of DNA, which nucleotides always pair with adenine
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Thymine always pairs with adenine.
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Identify how scientists used the scientific method to test this phenomenon.
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Answer:

When conducting research, scientists use the scientific method to collect

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The skeletal system is the body system composed of bones and cartilage and performs the following critical functions for the hum
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Answer:supports the body

facilitates movement

protects internal organs

produces blood cells

stores and releases minerals

Explanation:

The skeletal system in animals helps in their movement, support and to maintain their shape.In humans ,it consists of bones,which works closely with the muscular system.unlike worms and arthropods that have hydrostatic and exoskeleton respectively, humans have endoskeleton.the bones have the following functions;

*It allows the animal move . The skeleton provides support for the body and through the flexible joints ,the body is able to move

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*Certain cells in the bone produce immune cell and important components of the bone

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Some bones develop within sheetlike layers of connective tissue, and they are called ______ bones. Other bones develop from a mo
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Some bones develop within sheet like layers of connective tissue which are called intramembranous bones whereas the bones that are develop from a model of hyaline cartilage and are called endochondral bones.

<h3>Formation of intramembranous bones and endochondral bones</h3>

Endochondral ossification involves the replacement of hyaline cartilage with bony tissue which leads to the formation of endochondral bones whereas, intramembranous ossification refers to the replacement of sheet-like connective tissue membranes with bony tissue which results in the formation of intramembranous bones.

Learn more about bones here: brainly.com/question/412179

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2 years ago
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