False
false
False the only unlimited source of cheap energy is the sun
There is no simple true or false answer. The seasons go around in a circle. Winter starts immediately after autumn ends. Then six months after winter ends, autumn comes again, followed by another winter, and so on. Every winter comes before the next autumn and after the last autumn.
False.
true
True
To most people it is true that in the biosphere there is a one way flow of energy. This is thought of in terms of the food chain.
To most people it is true that in the biosphere there is a one way flow of energy. This is thought of in terms of the food chain.
true
True
false - in the depths of the sea, there is still energy, even without sunlight.
False. The energy from the Sun comes in the form of electromagnetic waves. Those are not mechanical waves.
It is true. The sun's energy drives all parts of the water cycle, including evaporation.
TRUE
This is false.
It is true that to maintain your body temperature, your body converts chemical potential energy into thermal energy. Thermal energy is energy that comes from heat.
true activation energy is the minimum amount of energy needed to start a chemical reaction