No it does not . That is the answer
It must gain an electron because if the proton number was to change it would no longer be the same element.
length of the grilling machine is 1.2 m
time taken to cook the burger is 2.7 min = 162 s
so the speed of the machine should be like this that if must have to cook till it cross the machine



now in one minute the total length of the machine that is covered is given by


now distance between the burgers is 15 cm
so total production rate will be

so it will produce 3 burger per minute
Answer:
A bird flies 75m in 15s.Calculate its speed
Answer:
it is because they can store and retrieve informatiion just like human beings