A. for cooking food and transmitters
Answer:
The correct answer is: lets the air get inside the lungs.
Explanation:
The process of ventilation, or breathing, consists of two parts: <u>inhaling and exhaling.</u>
Inhaling is the name of the process that is responsible for the air entering the body by the respiratory tract. Exhaling is the opposite, it lets the air out. Both are equally important since they allow the gas exchange necessary for the oxygenation of the blood.
When inhaling, the diaphragm and the external intercostal muscles contract. This pulls the ribcage upwards and outwards, which increases lung volume while decreasing the air pressure inside.
Answer:
Nutrient pollution is the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae. Nutrients can run off of land in urban areas where lawn and garden fertilizers are used
Explanation:
The genotype for pea shape is Round- RR or Rr and for the wrinkled -rr. The genotype is the genetic make up of an organisms, it determines the phenotype (the physical trait). In this case; the round pea shape is dominant to the wrinkled shape;which means the phenotype of round shape will be expressed when we have both homozygous dominant (RR) and heterozygous (Rr), while the wrinkled shape will be expressed by homozygous recessive (rr).