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pentagon [3]
3 years ago
15

Do all substances have melting points ? why or why not ? give two examples from the text

Biology
1 answer:
Pachacha [2.7K]3 years ago
4 0

Explanation:

The melting point is the temperature at which solid substance turns to a liquid phase. However, not all substances observe this change in phase. Some sublimate- which is the turning from solid to gas without transiting the liquid phase. Such substances are; dry ice (solid CO2), arsenic, naphthalene, and iodine.

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8 0
3 years ago
The following drug reference book is written specifically for medical transcriptionists by a certified
torisob [31]

Answer:  The correct answer is the following book:

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8 0
3 years ago
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What role does the heart play in helping the circulatory system perform its functions?
poizon [28]

Answer:

Blood circulates through a network of vessels throughout the body to provide individual cells with oxygen and nutrients and helps dispose of metabolic wastes

Explanation:

did this help

8 0
3 years ago
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The table shows the relative size of the genomes (total DNA in the nucleus), number of genes, and number of chromosomes for a va
9966 [12]
You don't show the table...but you should see that the more complex an organism, the more chromosomes and the more genes it has.

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6 0
3 years ago
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Nerve impulses from _________ will result in inspiration.
Sonbull [250]

Answer:

the ventral respiratory group

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3 years ago
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