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vlabodo [156]
4 years ago
14

Why are multiple trials necessary in scientific investigations?

Biology
1 answer:
KengaRu [80]4 years ago
5 0

Answer:

Because if there is a different result a second time the third time will be the tie breaker and the right trial :)

Explanation:

Brainliest?

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What are the items that attach on the inside of the mineral to give the mineral its shape
Tom [10]

Answer:

Molecules.

Explanation:

Molecules are the items that attach on the inside of the mineral to give the mineral its shape. The molecule of a mineral is a crystal three-dimensional regular structure (arrangement) of chemical particles that are bonded together and determines its shape.

Due to the fact that, these molecules are structurally arranged or ordered and are repeated by different symmetrical and translational operations they determine the shape of minerals.

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3 years ago
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aalyn [17]

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3 years ago
In a marine ecosystem, an already existing large population of purple coloured sea urchins increases as starfish eats other colo
Andrei [34K]

The purple coloured sea urchins increases as starfish eats other colours, this type of selection represents Disruptive selection.

<h3>What is Disruptive selection?</h3>

Disruptive selection is also called diversifying selection, describes changes in population in which extreme values for a trait that are favored over intermediate values.

So we can conclude that purple coloured sea urchins increases as starfish eats other colours, this type of selection represents Disruptive selection.

Learn more about selection here: brainly.com/question/25261401

#SPJ1

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2 years ago
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Which area of the body are you palpating if you feel subcutaneous emphysema?
seraphim [82]
The neck.



Hope that helps, Good luck! (:
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4 years ago
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