*A scientist is trying to determine how much poision will kill a rat fastest. Which of the following statements is an example of an appropriate hypothesis?* A. Rats that are given lots of poison seem to die quickly B. Does the amount of poison affect how quickly the rat dies? C. The more poison a rat is given, the quicker it will die. D. Poison is fatal to rats. ✔✔C * Which locations in digestive system are sites of chemical digestion?* * I. Mouth* *II. Stomach* *III. Small intestine* A. II only B.III only C. II and III only D. I, II, & III ✔✔D * Which of the following is a representation of a natural pattern or occurence that's difficult or impossible to experience directly?