The probability of two events both occurring is equal to product of the individual probabilities of the two events. are the two events dependent or independent ? ? a: dependent b: independent c: insufficient data d: depends on the other events in the sample space

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Which chemical equation is unbalanced? which chemical equation is unbalanced

What are the student's observations and inferences before he starts his investigation?