(01.01 MC) Cetology is an area of study that examines the physical characteristics and behaviors of some types of marine mammals by using experimentation. How would Cetology best be characterized? (3 points)

(03.02 MC) A marine biologist measured the amount of heat radiated from an aquarium over the course of an experiment. He concludes that the aquarium is an open system. Explain why this conclusion is invalid. (3 points)

(02.04 MC)Which of the following best explains why a drug can be found at the middle of a hair strand but not in the rest?

(04.06 LC)Those who eat whatever they wish when they feel physically hungry, until they are full, follow

(04.06 LC)Those who eat whatever they wish when they feel physically hungry, until they are full, follow

(01.02 MC)Which step of the scientific method would be least helpful in processing a crime scene?

(03.03 MC)Homeschooling might be the best option for which of the following students?

(02.03 MC)Which tool uses infrared electromagnetic waves to determine the chemical composition of a fiber?

  (01.02 MC)Which of the following is an example of claim-evidence reasoning completed during an investigation?

An airplane flies at an altitude of  miles towards a point directly over an observer. Consider θ and x as shown in the following figure. The speed of the plane is 400 miles per hour. Find when . Round your answer to three decimal places.​​