project, Lan is working on a (1) ______ about energy sources, light, Energy provides (2) ______, heat, or electricity, various sources, It can come from (3) ______ such as coal, oil, and natural gas, run out, Renewable energy sources will never (4) ______.

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

)
ऑटो-सेव पुनःस्थापित करें: ?