Why are hypotheses never accepted as proven by scientists?
A) A hypothesis cannot ever be true or false because it is an opinion.
B) Experimentation cannot support a hypothesis because it only tests predictions.
C) Hypotheses change every time a new experiment is conducted.
D) Alternative hypotheses might provide a better answer to the research question.
D
You might also like to view...
Identify this vertebrate structure. What do the rings present?
What will be an ideal response?
Which of the following colors of light has the
greatest energy? a. red b. yellow c. orange d. blue e. green
In lilies, white flowers (W) are dominant to purple flowers (w). If two plants that are heterozygous for flower color are mated, the genotypic ratio of the offspring would be
A) 3:1. B) 1:1. C) 1:2:1. D) 9:3:3:1. E) 1:1:1:1.
How might anthropogenic enhancement of the greenhouse effect result in increased primary production?
A) Warmer temperatures would lengthen the growing season and speed metabolism. B) Enhanced CO2 concentrations would increase the rate of photosynthesis. C) both of the above