Answer:External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air. Internal respiration occurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells.
Explanation:
The innermost layer of the meninges is the pia mater.
1. is the sun
2. is is waters the plants and help things grow
Agriculture
Explanation:
Agriculture can be defined as the cultivation of animals, plants, fungi, and other life forms for food, fiber, biofuel, drugs and other products used to sustain and enhance human life.
- The etymology of the word can be traced to Latin; Ager-field, cultura-growing.
- Agriculture provides food that is used to sustain life on earth.
- It involves solely the cultivation of plants and organisms for nourishment.
- Some industries thrives on agricultural products and are referred to as Agro-allied industries.
- It is an art and science of cultivating livestock and plants for use.
Learn more:
Human impact on rainforest brainly.com/question/3995505
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The scientific study of the biological aspects of social behavior in animals or humans! Hope this helped.
