Answer:
Switching off electrical appliances and equipments when not in use.
Using solar energy.
Using energy efficient devices like light bulbs.
Using pressure cookers while cooking.
Turn on your ceiling fans.
Answer:
the December solstice occurs when Earth is near its perihelion , or closest point to the sun , around which time we're moving fastest in orbit .
Explanation:
So we know that 1 km=100,000 centimeters, because 100 cetimeters =1 meter and 1,000 meters=1 km. Multiplying the two gets 100,000. Now there are 7.5 cm, so divide by 100,000 to get distance in km. .000075 is your final answer.
Answer:false
Explanation:
Answer:
The heat equation can be written as. ∂ u ∂ t = α ∇ 2 u. where u(x, y, t) is the temperature field that varies in space and time, and α is the thermal diffusivity constant.
