B. Hardness. Explanation: A physicaly property is any trait of an object that can be felt. Hardness is the only correct answer.
Answer:
can you give the easy question
Explanation:
my teacher didn't teach me that topic yet
Concerning your heart, that's the circulatory system
Your lungs are the respritaory system
Answer:
I think autotrophs by using photosynthesis
Explanation: