Answer: its a model describing features of a cells plasma membrane.
Is your answer.
Explanation: //Give thanks(and or Brainliest) if helpful (≧▽≦)//
Answer:
The respiratory system and the circulatory.
Explanation:
The respiratory system brings in the oxygen and the circulatory system brings all of the oxygen through out the body.
People who use complex tools like plows, irrigation, and fertilizers to grow domesticated plants are called farmers, it is a large scale activity and it´s use to obtain food from the earth, we also have horticulture, does not require hundreds or thousands of acres of land, horticulture is also important, but is more limited to the domestic and individual context, and finally it is much cheaper because it is not done at large scales like the Agriculture.
Been a bit since I learned this but I believe the answer is B.
Hope this helps.
