In geology, a horst is a geological feature. In this the one part of the earth crust remains raised over the the other. A horst is typically higher than the land surrounding it. A horst forms when the part of the crust of the earth gets pushed upwards due to geological disturbance and it typically forms between the two faults.
There are some examples where human hormone genes are excised and placed into bacterial DNA. An example of this is Human Growth Hormone, which is mass-produced for human use by bacteria.
D, because if you burn fossil fuel the smoke while burning the fossil fuel is carbon dioxide and we live off fossil fuel and that means we use a lot of fossil fuel.
