Answer:
This process is known as doping. It can be done by adding either of two types of impurity to the crystal.
(A) By adding electron rich impurities i.e., group 15 elements to the silicon and germanium of group 14 elements.
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Answer:
a star is like the sun a burning ball of gas that gives light to the outer space.
Explanation:
Answer:
true, they both have different types of DNA.
Answer:
this is difficult but simple to answer
Explanation:
all atoms move in 1 direction no more than 2
1. Has 4 sig figs, all non zeros are significant
2. 3 sig figs trailing zero after a decimal
3. 3 sig figs