Answer:
Mechanical energy is converted to chemical energy during photosynthesis. Oxygen is made from the breakdown of carbon dioxide during photosynthesis
Explanation:
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An element or compound which occurs naturally in the earth is a mineral. Minerals are substances formed naturally in the Earth.They have a definite chemical composition and structure. For example, the minerals gold or diamonds you’d find by mining or panning for gold since they are found naturally in the Earth.
Acids or bases<span> with weak bonds easily dissociate into ions and are called "</span>strong<span>" acids or </span>bases<span>. Table 1: Summary List of </span>Characteristics<span> for </span>Strong<span> and Weak Acids and </span>Bases<span>. All </span>characteristics<span> of acids and </span>bases<span> are related to whether the predominate forms are molecules and ions. </span>Characteristic<span>.</span>
C. magnetic forces act at a distance
Explanation:
Since he was able to drag the keys along the table by moving the magnet, it shows that magnetic forces acts a distance.
Magnetism is a property exhibited by a wide range of materials.
Around a bar magnet, there are field forces in which the forces of the magnets are felt.
- Magnetic forces are non- contact forces. They don't need to be together to exert their force.
- This is why magnetic forces act at a distance.
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" if a compound is an acid or a base, but NOT one of the strong acids or bases, then it MUST be a weak electrolyte. Strong electrolytes – ionic or molecular compounds that ionize completely in solution. Weak electrolytes– molecular compounds that are partially ionized in solution."
