In a group of 72 students; 27 are normal; 13 are abnormal, and32 are normal abnormal. Find the probability that a student picked from this group at random is either normal or abnormal?

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

What part of the brain is highlighted in the diagram below?

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine