Answer:
It's option A- Solid
Explanation:
Solids have definite shape and volume.
Coronary artery disease is when plaque in arteries causes blood to not flow correctly or as smoothly as possible. Therefore, a heart attack can occur if blood can't flow.
nearly perpendicular or closer to a 90˚ angle
It is not C. I got it wrong. It is A water!
Vertraes have a back bone. invertebrates dont have a back bone or any bones
