Ahydrocarbon consists of four carbon atoms with one double bond. predict the molecular formula of this compound.
a. c4h8
b. c4h10
c. c4h4
d. c4h6

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Tides that occur during the new and full moons