If halley's comet has an orbital period of 75 years what is the length of its semi major axis

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure