A hiker is lost in the woods with no food for several days. As a result, the hiker develops a ketoacidosis which has lowered their blood pH. Which of the following will occur as a homeostatic response to this disturbance in pH? a. an increase in ventilation and an increase in blood carbon dioxide.
b. an increase in ventilation and a decrease in blood carbon dioxide.
c. a decrease in ventilation and an increase in blood carbon dioxide.
d. a decrease in ventilation and a decrease in blood carbon dioxide.

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

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You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation