Define fertilization and describe the resulting development of a human embryo. In your answer, be sure to include a definition of fertilization and the functions of
the ovary, uterus, and placenta. Circle the terms fertilization, ovary, uterus, and
placenta in your description.
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the answer is learned

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance