Athread can be put to sleep for a given number of milliseconds. when the thread wakes up, it goes to the rear of the queue. running blocked ready waiting

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

if you listed your answers right then i believe your answer is b.