Answer:
Centre of mass of any body is a point where all mass of a body is supposed to be concentrated
it lies in geometrical centre....
Because when a candle burns the wax is burning off so as its heated more and more wax is lost and if more wax is lost... Obviously it means that the candles mass will be lower :)
Answer:
B.) Visit a healthcare professional
Explanation:
Their judgement is much better than a friend's or your own.
Answer:
q.1 : Air near candle gets heated up and after this it rises by convection so the thermometer B will receive more heat than the thermometer A So, according to the given condition thermometer B will show a greater rise in temperature.
q.2 : x is the pure sample of compound
. y is the pure sample of element
. z is the mixture of different elements
q.3 : the saliva contains an enzyme salivary amylase (ptyalin) which converts starch in roti into maltose, isomaltose and small dextrins called a-dextrin.
Answer:
See the explanation below.
Explanation:
Working with nuclear reactors involves the generation of electrical energy, by means of steam generation, to move a turbine. This action taken in the United States is because special safety requirements have to be met, as well as a plan for the collection and storage of nuclear waste. These nuclear waste takes thousands of years to disappear, therefore the need to control the construction of each of them, it is better opted for the construction of power plants such as hydropower and today wind and solar power plants. Special analyses and protocols are necessary in the operation of nuclear reactors, because if the temperature of a reactor is not controlled, a disaster similar to chernobyl can be generated.
