Animals absorb oxygen and release carbon dioxide in respiration and plants absorb carbon dioxide and release oxygen through photosynthesis.
The benefit to a society if everyone reduces the amount of meat they eat is that it will help the nutrient cycle. It could also reduce the amount of nitrogen going to the environment. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Answer:
B. Hardness
Explanation:
Physical properties of a substance is defined as the properties which can be observed or measured without changing the composition of matter.
Physical properties include odor, appearance, color, texture, boiling point, melting point and many others.
Hardness is a physical property of a substance as it describes the resistance of substance to deformation and can be observed by simple touch or without changing the composition of matter.
While reactivity, toxicity and flammability are chemical properties of substances that change one type of matter into another type.
Hence, the correct option is B.
