HELP PLS QUICK!! Explain using the current climate conditions of Russia why is it unlikely to form coal deposits there?

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

the answers are a and c

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

i won't lie i don't know so go online and ask google thats what i do