Answer:
Resistance of corn plants to animals
Answer:
D
Explanation:
Extracting DNA involves firstly harvesting the required cells (such as from the inside of cheeks), then the cells are broken up using enzymes or detergents. The products (usually a mixture of cell products –mainly RNA, DNA, and proteins) are then put in a centrifuge to separate the proteins from the DNA.
Answer: The correct statement is ' the Size of the Earth'.
Explanation:
Most Greek scholars soo many years agreed that the earth was shperical in shape but never knew the size of the Earth.
Eratosthenes was a man of many talents, he was a geographer, a mathematician, an astronomer and a historian. With the expanse of knowledge he had, he compared the position of the sun and the shadows cast at noon on the summer solstice in two different cities. With reasonable accuracy, he was able to determine the shperical size of the earth. He computed this by using simple geometry and trigonometry and by recognizing Earth as a sphere in space.
:
Speed is the rate at which something travels
Velocity is the rate at which a position changes
:
If there are options I can't see them, but I know ribosomes synthesise proteins, do I'll go with that as the answer
