Answer:Luster aka (A)
Explanation:Because luster is something you learned in science.
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Since substances break down much faster under aerobic conditions, as oxygen helps break the molecules apart, in a process called oxidation, biodegradation that actually takes place does so slowly that effects may not be visible in decades after a product was buried, if even then.
Answer: 0.04 s
Explanation:
The given equation for the period 
of a pendulum when the acceleration due gravity is given in feet per squared second 
is:
Where 
is the length of the pendulum
Answer:
mass number = protons + neutrons
