阅读理解。 Is there life on Mars Wedon’t know. We’re sure thatpeople on the earth are not

阅读理解。 Is there life on Mars Wedon’t know. We’re sure thatpeople on the earth are not ableto liv阅读理解。 Is there life on Mars Wedon’t know. We’re sure thatpeople on the earth are not ableto live on Mars. People needoxygen to breathe. There isalmost no oxygen on Mars. Living on Mars would be like living on avery high mountain. There would be little air.The temperature might be 50 degrees abovezero at noon and 140 degrees below zero atnight. Many people think there may be plantson Mars. We know that on Mars there is carbon（） 5. If one day we can go to Mars, wemust take enough oxygen, food and clothingwith us.