Answer:
C. is a passive process caused by increased intrathoracic pressure.
Explanation:
Inhalation is an active process as it includes the contraction of muscles and diaphragm. Exhalation is a passive stage of breathing. It does not include any muscular contraction. Rather, diaphragm and the external intercostal muscles become relaxed. This reduces the volume of the thoracic cavity and lungs. The reduced volume causes increased air pressure in alveoli as compared to the atmospheric pressure. The increased pulmonary pressure drives the movement of air towards the outside of the body.
Answer:
Liquid ammonia is liquefied ammonia and is basic in nature. It dissolves in water to give ammonium hydroxide which ionizes to give hydroxyl ions. Therefore it turns red litmus blue and phenolphthalein solution pink.
Answer:
B) A school of sunfish.
In biology, a population is a number of all the organisms of the same group or species who live in a particular geographical area and are capable of interbreeding
Answer:
they are not affected by earth atmosphere
Answer: The statement is false
Explanation:
A community refers to a group of plants and animals that occupy a given area and can adapt to the conditions of their environment. Hence, community include biotic factors (living organisms) and abiotic factors (non-living factors like soil, weather etc).
Thus, the statement is false
