17- the germ theory im not sure a6out this one
18- increased soil erosion
19. Bubonic Plague
20. Regenerate
21. Type of wheat
Answer:
The Cell Membrane
Explanation:
Eukaryotic Cells are membrane-bounded, Prokaryotic cells are not.
Hope this helps!
Water and carbon dioxide are byproducts. Notice that photosynthesis and respiration are essentially the opposite of one another. Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.
The answer would be a. cancer cells become invasive and grow into a body tissue. Apoptosis is a programmed cell death that certain cells undergo in order to protect the organism. However, sometimes these cells can avoid apoptosis and do not respond to signals to stop dividing (known as uncontrolled cell division); this results in a mass of extra cells (tumor) and that's how cancer happens. Hope this made sense :)
Explanation:
sorry if am wrong I think the answer is DNA