Answer:
moon
Explanation:
a guess but i'm pretty sure because they study the mostly things on earth
Only you can answer this unless the last response is given.
1. harmful gases such as sulfur oxides, CO2, and nitrogen are released when fossil fuels are burned.
2. it can cause air pollution and "smog"
3. Acid rain is caused by the burning of fossil fuels
Answer:
500 J
Explanation:
Emechanical=U+K,i.e., the mechanical energy Emechanical is the sum of the potential energy U and kinetic energy K.
So, the object has a mechanical energy of 200+300=500 J.
