Answer:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.
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Sweating and shivering are examples of homeostasis Living things can respond to changes in their surroundings
Answer:
#2 you multiply the numbers
Explanation:
Answer:
Explanation:
Simply
Coal has two valent electrons, so there is 2 in 2p orbital