I am not great at this stuff, but you need to start by writing out how many of each element there are in the product and in the reactions. It is a lot of math and trying to make the equal on both sides
have a look at the picture i’ve attached to see if it helps, let me know if you want me to go over it in more detail and i will tomorrow morning :)
Answer:
the main cause of climate change is burning fossil fuels such as oil, gas, and coal. When burnt, fossil fuels release carbon dioxide into the air, causing the planet to heat up.
Explanation:
In 2CaCO3 there are 3 elements
I hope that helped you! If you have any further questions comment down below or message me! Good luck!
The smallest atomio radius is helium
The answer is a conjugate acid.