1. Cells come from pre existing cells
2. The cell is the basic unit of life
3. All living things are made of one or more cells.
This are the 3 main ideas of cell theory
The advantages of artificial blood are as follows -
a) It is easy to produce large amount of artificial blood and thus it helps in reducing the blood shortages.
b) The chances of spreading a disease through blood are also reduced as the blood is made in a safe and secure place. Also the full history of artificial blood is known to the doctors.
Answer:
The scientist is studying oxygen which can also be found in protien. oxygen is the element which makes up to 65% of human body mass. It is also found in proteins inside the body.
Answer:
C. Thermal energy to electrical energy
Explanation:
Burning coal produces heat which is thermal energy
Power is electricity or electrical power