Cracks in a rock is considered is chemical weathering.
Enthalpy I believe is enthalpy
The most strict policy regarding waste management in our area is segregation. Waste materials must be segregated according to their class. It's a strict policy since garbage will not be collected if they are not segregated. This is effective because it allows for the easy reuse and recycle of materials.
No we would not be able too. i say that because earth looks 10 times as different as it does when we are looking at it on tv