Which of the following is the correct chemical formula for calcium chloride? A.
Ca2Cl

B.
CaCl2

C.
CaCl

D.
Ca2Cl2

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below.resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

In the practice of science, this type of reasoning is used to develop explanations.