In which step of the scientific method would you refine your hypothesis, if necessary?

observation

hypothesis

experimentation

conclusion

A woman age 58 years is suffering from food poisoning after eating at a local restaurant. She has had nausea, vomiting, and diarrhea for the past 12 hours. Her blood pressure is 88/50 and she is diaphoretic.

The two major pathways by which molecular nitrogen is converted into forms more useful to living organisms are

Which of the following is not true of ferns, flatworms and humans

Explain the roles that hot clay and vesicles may have played in the origin of life on Earth and describe evidence that supports this hypothesis.

What is two plus seven? I am lost

A species of spruce tree occupies the same niche at the mouth of a river that a species of pine tree occupies further upstream.

Which is true about the light and heat apex

Two weeks before her menstrual period, margaret often suffers from pms. the abbreviation pms stands for

Put the labels in the correct sequence to describe how researchers create a trans genetic plant

Gene mutations can be caused by many things. these mutations are biologically important because they