Endosymbiotic<span> theory, that attempts to explain the </span>origins of eukaryotic<span> cell Mitochondria are</span>one<span> of the many different types of </span>organelles<span> in the cells of all in which it is found, </span>one<span> of the major </span>pieces of evidence<span> supporting </span>endosymbiosis<span>.</span>
Answer:
For exampel when a person is working outside there skin helps them stay cool also if a person has a dark pigmentation they are less likely to get burnd by the sun as a light pigmentated person.
Explanation:
Less water-soluble substances will reach the deeper part of respiratory system. That means a substance which more water-soluble(ammonia, formaldehyde, hydrogen chloride) will only damage upper respiratory systems like trachea or bronchus.
High water soluble substance also more irritating.