Yes, the data from mass spectrometry has helped modern scientists to make modifications to Dalton's model.
Dalton's model consisted of a single atom and that basically the atom is the smallest object. At the time, no discovered what are inside of atoms.
Atoms are made up of small particles, protons, neutrons and electrons. A mass spectrometer is an instrument that is able to see what is inside an atom. With this item, scientists have proved that atoms are not the smallest in the world cause the objects in them are smaller.
Answer:
20
Explanation:
You would set up a proportion in order to solve this
3 green 12 green
------------ = ------------
8 total x total
Then you would cross mulitply for x and get 32. Since that is the total number, you would have to subract the 12 from 32 to get 20.
45 countries and 36 colonies
The purpose of doing a secondary survey on this victim is to: Look for any potentially life threatening injuries.
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What is secondary survey?</h3>
Secondary survey are body survey carried out on a victim so as to detect any form of life threatening injuries and this survey is carried out by examining the whole body of the victim.
Life-threatening injuries are injuries that can lead to death if not diagnosed and treated.
Based on the information given carrying out secondary survey on this victim as the victim may have apparent injury.
Hence, secondary survey is important as it will help to detect any life threatening injuries that may not be immediately visible.
Example of life-threatening injuries includes:
- Head injury
- Skull fractures
- Neck injury
- Spinal cord injury etc
Inconclusion the purpose of doing a secondary survey on this victim is to: Look for any potentially life threatening injuries.
Learn more about secondary survey here:brainly.com/question/1695365
