Answer:
D
Explanation:
Improve desirable traits and help determine the heritability of a trait.
bring change in the genetic basis of a population
Answer:
Option (A) and (D).
Explanation:
Esophagus may be defined the long tube like structure that connect the throat with the stomach. The partially digested food from the buccal cavity to the stomach is pass down through the esophagus.
The mucosa of the esophagus contains the thick layer of the nonkeratinized squamnous epithelium. The smooth muscles are present in some layers only. The two layer of the muscle that are superior to the one third of the muscularis are the skeletal muscle.
Thus, the correct answer is option (A) and (D).
Answer:
Relax your shoulders and sit back or lie down.
Place one hand on your belly and one on your chest.
Inhale through your nose for two seconds, feeling the air move into your abdomen and feeling your stomach move out. ...
Breathe out for two seconds through pursed lips while pressing on your abdomen.
Explanation:
Answer:
Explanation:
Oxygen is needed to support life and some metabolic processes in microorganisms especially aerobic organism.
The presence of oxygen in the container gives them the opportunity to carry out there metabolic activities thereby enhancing there growth and multiplication.
Hence, to limit the growth of aerobic bacteria or fungi, and also to prevent the evaporation of volatile components that is available in the content oxygen is withdrawn this help extend the shelf life of the produce to be stored.