I think the correct answer from the choices listed above is option D. It would be carbon dioxide and water that contributes the most to the mass of a plant. These substances are what the plant needs to carry out photosynthesis with the presence of sunlight. Hope this answers the question.
Answer:
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Explanation:
Answer:
Opportunistic pathogens may be defined as the pathogens that are normally not able to cause infection but when get an advantage they multiply in number and can cause disease.
The normal flora of the skin can become opportunistic pathogens as they get the advantage by change in the skin environment. The damage to the sin and their excess multiplication and in case of weak immune system the normal skin flora become the opportunistic pathogen.
Answer:
It is important as it tells if the object is stationary or in motion
Explanation: