“Permafrost” is permanently frozen soil and occurs mostly in high latitudes storing a massive amount of a particular element. As a result of climate change, permafrost is at the risk of melting and
releasing the stored element in the form of a gas. Identify the gas.

a) Ozone
b) Hydrogen
c) Nitrogen oxide
d) Carbon dioxide

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

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

If the new moon happens on january 15th, what shape will it be on february 6th?