Answer:
I think it is a let me know if it was right
A physical property is any property that can be measured without changing the composition of matter. Physical properties are used to observe and describe matter.
Answer:
B the integumentary system
Explanation:
Largest body system and comprises the skin and the appendages which acts to protect the body from a variety of different kinds of damage's Examples such a as lack of water or abrasion from the outside.This system includes hair,scales,feathers,or even nails.this system may help keep your body afloat and regulate temperature.
Answer:
This experiment would not be able to determine whether the system is closed or not
Explanation:
Answer
Cellulose, lignin and suberin are the chemicals that provide rigidity to cell wall.
Explanation
In plant two type of growth occurs, primary and secondary growth. in primary growth when new cells are formed they are bounded by primary wall whose composition in mainly of cellulose. in secondary growth accumulation of lignin in secondary wall, suberin in cork cell wall and lignin in xylem cell wall occurs which provide rigidity.
