Color, phase, odor and boiling point are the physical properties. Reactivity with oxygen depends on the chemical nature of object, thus, it is not a physical property. It is a chemical property.
Answer: Cardiovascular System
Explanation:
This involves your heart, blood, veins, and arteries
A triple beam balance is used to measure mass
I would say b and d but I wouldn’t really know :/
D. One chimp cleaning and grooming the hair of another chimp