Who has the more atomic size between atom :
br & si

Br

Explanation:

atomic size grows as we go from left to right side of the periodic table since Si has atomic number of 14 and Br 35,we can say Br has more atomic size.

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

the food using pesticides in the future will harm you by giving you diseases like cancer or something since they have things that we should not eat in it like chemicals or pesticides. that is why organic food is more expensive because they take the time to make it right and healthy for you to eat.

explanation: