Compared to oil and gas, solar energy:

costs less to produce

costs more to produce

is always available

does not require any machinery

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this