Answer:
C. 1.23 g/ml
Explanation:

Mass of rock = 80g
Volume of rock = final fluid volume - initial fluid volume
Volume of rock = 265 cm³ - 200 cm³ = 65 cm³


1 cm³ = 1 ml
Therefore, density of the object = 1.23 g/ml
Trees and flowers I might be wrong i don’t know let me know if I’m right
Acid rain makes waters acidic, and causes them to absorb the aluminum that makes its way from soil into lakes and streams. This combination makes waters toxic to crayfish, clams, fish, and other aquatic animals. (Learn more about the effects of water pollution.)
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Answer:The ER also contains domains that contact the plasma membrane (PM) and other organelles including the Golgi, endosomes, mitochondria, lipid droplets, and peroxisomes.
Answer: false
Explanation: true wasn’t right