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7th-grade-science

Life Science

QuestionAnswer
What substance makes up most of your body mass? carbon
What is found in both plant and animal cells? ribosomes
What is he genetic material in living organisms? DNA
Why do cells divide? to increase their numbers through a process of mitosis
What do fossils do? They provide evidence on the past life
What is white light a mixture of? of many wavelengths
When does extinction of species occur? when the environment changes
Popular Science sets

 

 



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