Answer:
The plum-pudding model did not identify a central nucleus as the source of a positive charge.
Explanation:
Sir Joseph John Thomson, most popularly known as J J Thomson. He was a famous scientist who was awarded the Noble prize for Physics for his discovery of the subatomic particle, electron.
He placed his famous model of an atom which is known as plum pudding model. He proposed that the atoms are described as the negative particles that is floating within a soup of the diffuse positive charge.
But the main defect of his proposal was that it did not recognized the presence of a central nucleus as a positive charged source.
Electrons is what defines which element appears in which block.
on the left side of the arrow
The answer would be D.) Genetic Engineering
I think the correct answer from the choices listed above is option C. Cooking oil is not an example of a heterogeneous mixture. This type of mixture is a system where the properties are not uniform all through out the system and examples are <span>trail mix, oil and vinegar dressing and chocolate chip cookies.</span>
