Answer:
8.7892x10^23
Explanation:
number of molecules equal number of moles times 6.02x10^23
Answer:
Weak; a lot of potential energy.
Explanation:
Copper was discovered in North Africa.
Answer:
How high the plants grow in the different soils.
Explanation:
The dependent variable is what happens as a result of what the experimenter changes.
The experimenter could measure how high the plants grow when placed in soil with different pH values.
