Answer:
Proteins embedded within the phospholipid bilayer carry out the specific functions of the plasma membrane, including selective transport of molecules and cell-cell recognition.
Cotton was short and weeds were tall North Carolina had to import some of its food during the 1930s farmers left their land for the mills and mines of cities
Advantages for whom ? Generally, in a smaller family the resources are distributed among fewer people, which means that the children can get a better education and more support and the parents don't need to work us much (e.g. double shifts) to support their family. For the whole state, a 2+2 model is also the most sustainable, where there are no drastic differences in population age over time:the number of people stays constant if everyone has around 2 children.
Answer:
It will take 12 hours to fill the tank
Step-by-step explanation:
Proportions
Tap A fills a tank in 4 hours. It means each hour it fills 1/4 of the tank.
Tap B fills the tank in 3 hours. Each hour it fills 1/3 of the tank.
Tap C empties the tank when full in 2 hours. Each hour it empties 1/2 of the tank.
Each hour, the tank gets filled by:
Since the tank fills 1/12 of its capacity in one hour, it follows that it will take 12 hours to fill the tank