According to Karl Marx, social change results from the efforts of <span>the powerless to gain power. The correct option among all the options that are given in the question is the first option or option "a". I hope that this is the answer that you were looking for and it has actually come to your help.</span>
As time passed, more technological advances appeared in agriculture. The tractor was introduced, followed by new tillage and harvesting equipment, irrigation and air seeding technology, all leading to higher yields and improved quality of the food and fibre that was grown. Livestock technology can enhance or improve the productivity capacity, welfare, or management of animals and livestock. The concept of the 'connected cow' is a result of more and more dairy herds being fitted with sensors to monitor health and increase productivity.
Answer:
The structures that are part of the upper respiratory system are the nose, the pharynx, and the larynx.
Explanation:
The air enters through the nose and travels to the pharynx, which has three parts. The nasopharynx connects with the nose, the oropharynx connects with the mouth, and the laryngopharynx connects with the larynx. Then, the air goes to the larynx, where the vocal folds are. Once that it passes the vocal folds, the air is in the lower respiratory tract.