Some elementary particles are positively or negatively
a. adverse particles.
b. charged particles.
c. fueled particles.
d. progressive particles.

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An observation that requires measurement is called quantitative observable or qualitative

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum