The answer is 300.
Sorry this answer is so late, I was just learning about it! Hope it helps. :)
Many Native Americans in the Great Lakes - St. Lawrence Lowlands planted various crops such as maize. The correct option among all the options that are given in the question is the fourth option or option "d". I hope that this is the answer you were looking for and it has come to your help.
It's simple concept as in winter session ladki reach upto very low temperature due to which the cells of plants either dexay due to freezing of water in them or erupt.
