Objects in free fall are weightless. true or

In a system, when potential energy decreases, then entropy also decreases. true false

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere