Answer:
The correct answer is - 2 variable or factors,
1. normal or vegetarian diet, and
2. restricted or unrestricted diet.
Explanation:
The presented experiment is designed to see if the diet has a role in reducing high blood pressure. In this experiment two factors, a low salt diet and a vegetarian diet believed to have a promising effect.
Men with high blood pressure are assigned to random diets but these randoms diet has two common factors which are normal or vegetarian diet and restricted or unrestricted salt diet to check their individual effect on reducing high blood pressure.
Thus, the correct answer is - 2 variable or factors,
1. normal or vegetarian diet, and
2. restricted or unrestricted diet.
The scientist observes strike slip fault feature when rock masses that have moved past each other in opposite horizontal directions.
Answer:
Magnetic marbles will tend to attract each other.
Explanation:
Magnetic marbles are composed of ferromagnetic materials, which indicates that they function as a magnet and have the ability to attract other objects formed by ferromagnetic materials. In this case, we can say that the magnetic marbles attract each other and inside a jar containing magnetic marbles and common balls, the magnetic marbles will tend to attract and group together.
Answer:
Jean-Baptiste de Lamarck
Explanation:
His two principles were "use and disuse" and "inheritance of acquired characteristics." The latter is what the statement is referring to.