Which of the following statements about a neutral atom is correct? The
core is composed of electrons and protons
number of electrons is equal to that of neutron
number of neutrons is equal to that of protons
number of protons is equal to that of electrons.
Correct answer is D
Atoms are neutral; they contain the same number of protons as electrons.
The area under a velocity-time graph represents
speed
acceleration
moment
distance
Correct answer is D
No explanation has been provided for this answer.
Representative government is alternatively called
rule of law
indirect democracy
separation of powers
classical democracy
Correct answer is B
Representative government otherwise known as indirect democracy is An electoral system where citizens vote to elect people to represent their interests and concerns.
An instrument used to measure relative humidity is the?
hygrometer
hydrometer
pyrometer
manometer
Correct answer is A
A hydrometer is an instrument used for measuring the relative density of liquids based on the concept of buoyancy.
A hygrometer measures humidity, the amount of water vapor in air
Which of the following is not a merits of checks and balances it?
prevents excessive use of power
has respect for human rights
encourages the use of veto power
prevents dictatorship
Correct answer is C
With checks and balances, each of the three branches of government can limit the powers of the others. This way, no one branch becomes too powerful. Each branch “checks” the power of the other branches to make sure that the power is balanced between them. Checks and balances plays against one arm of government being too powerful hence discourages veto power