What is a systematic error?

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same