Answer: There no chemical change, but there is a physical change.
Reason: When a substance dissolves in water, the substance retains its molecular identity and simply mixes throughout the water
If there are no chemical controls which can be implemented at your worksite than one should wear recommended PPE for protection .
- PPE means personal protective equipment .
- PPE at the worksite is selected to reduce the risk to health and safety .
- PPE includes aprons , overalls , gloves , footwear face shields , chemical resistant glasses , and respirators .
- The PPE and administrative control measures depends upon the behavior and supervision of human .
- The efficacy of PPE depends entirely on the workers following the procedures and instructions appropriately .
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Sentence II is not a correctly formatted hypothesis because it is factually inaccurate because plants need light source to grow as they provide food for them by photosynthesis.
<h3>What is photosynthesis?</h3>
The photosynthesis is a process into which plants make their food by absorbing carbon dioxide and releasing oxygen in the environment.
Plants absorb light from sun rays and converts the light source to energy and produce glucose this process or reaction is known as photosynthesis.
Therefore, sentence II is not a correctly formatted hypothesis because it is factually inaccurate because plants need light source to grow as they provide food for them by photosynthesis.
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They both perform photosynthesis and also cell respiration
