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Rus_ich [418]
3 years ago
14

An observation of how elements in nature will behave under certain conditions is

Biology
1 answer:
Degger [83]3 years ago
6 0

Answer:

Scientific law

Explanation:

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Water molecules have select answer a lesser a greater an equal attraction for sodium and chloride ions than sodium and chloride
irina [24]

Answer:

A greater attraction

Explanation:

Water molecules have A GREATER ATTRACTION for sodium and chloride ions than sodium and chloride ions have to each other.

This is because when salt is added to water, it dissolves, which depicts the level of the covalent bond of water is stronger by separating the ionic bond between sodium and chloride, otherwise, the salt would not have been able to dissolve.

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The name of an enzyme usually ends in
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The role of respiration is to transform the energy from food molecules into usable energy for the cell through a series of chemi
viktelen [127]
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8 0
3 years ago
Help with this 4 i mark u as brainlist if u answer them correctly 20 points
vodka [1.7K]

Answer:

1. Decibels

2. whisper - 20-decibels, normal talking - 60 decibels, rock concert - 120 decibels

3. 10,000

4. A Jet plane

Explanation:

1. The unit refers to what specifically is being measured. If the graph was of heights, it could be metres, centimetres, feet, or inches, for example. In this case, the graph is of sound level. We can see beside the Y axis label "Sound Level" that the unit is decibels.

2. Take each individual sound source and look at how tall the bars are (purple rectangles). For each one, we can look across to the Y axis (left side) and see the corresponding sound level for each

3. We were told in the introduction to the question that for every 10 decibel increase, the sound increases by 10 times. So going from 10 -> 20 decibels represents a 10x increase, and 10-> 30 represents a 100x increase.  

To figure out the increase from whisper (20) to normal talking (60), take away 20 from 60 to see how many decibels difference there are between the two levels.

60-20 = 40

There is a 40 decibel increase. If 10 decibel difference = 10x and 20 decibel difference = 100x, then 30 = 1000x, and 40 = 10,000x (keep adding a 0 with every 10!)

4. We can see from the graph that the pain threshold is 120 decibels. The sound level that is greater than the pain threshold (meaning it would be painful) is the jet plane.

3 0
4 years ago
Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?
Olegator [25]

Answer:

i dont know i need points

Explanation:

4 0
3 years ago
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