The lake and the boat are representing the cell with the water in the lake as cytoplasm, the embankments as the cell membrane, and the boat as the nucleus. In this case, the fishes present in the water of the lake will represent the different cell organelles, such as the mitochondria, Golgi apparatus, ribosomes etc. The cell organelles are present in the cytoplasm of the cell, and the fishes are present inside the water perfectly representing them.
Hence, the answer is 'cell organelles'.
Flat bones have two thin layers of compact bone which is surrounded by a layer of spongy bone.
The choices are:
A. folic acid
B. mercury
C. vitamin D
<span>D. vitamin C
The answer is A. folic acid
Source:</span>https://www.health.ny.gov/publications/1335/
Based on a study, folic acid can prevent brain damages and spinal problems 70%. Giving sufficient folic acid during the first month of pregnancy can help five better health condition and prevent birt defects. There are plenty of foods containing folic acid, mainly coming from cereals, grains, and vegetables.
The complete mass of fungal cell filaments that forms a fungus is called (A) Hypha.