Select the three areas of the human body that are covered by mucous membranes that act as barriers to infection from foreign pathogens. Multiple select question. heart and endocardium genitourinary tract brain and spinal cord gastrointestinal tract liver and gall bladder respiratory tract

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.