Which question is a nonscientific question?
-why are roses the best flowers?
-does the color of a rose affect how long it blooms?
-will a rose plant bloom faster if it is fertilized?
-do rose plants grow faster in higher temperatures?

which question could be tested in a scientific manner?
-what causes some people to be color-blind?
-why should people be nice to other people?
-why is the color purple better than the color red?
-what are the best shoes to wear when exercising?

The mitochondrion functions lipid storage protein synthesis photosynthesis dna replication atp synthesis

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass