The correct answer is option A
Scientific method is used to answer the question that is based on science. These questions can be answered by the help of various set of protocols which has to be followed one after another.
The protocols has to be followed in a proper manner such as aim, hypothesis, procedure, result and conclusion.
The questions related to ethics does not requires proper experiment. These questions can be answered based on person's opinion.
4 grams
they die
Thats for 1 and 2
Answer:
A type of white blood cell that ingests foreign material. Macrophages are key players in the immune response to foreign invaders of the body, such as infectious microorganisms. They are normally found in the liver, spleen, and connective tissues of the body.
Explanation:
The answer is speciation....
