Some solar power plants use mirrors to focus sunlight on a central collector. The energy from sunlight causes the water in the central collector to boil and produce steam. A generator uses the kinetic energy of the steam to produce electrical energy. How could a thermal battery help this type of power plant generate electrical energy 24 hours per day?

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?