Hanta virus is a type of virus that usually infects rodents and not humans. :) hope I helped
The best answer would be letter D. C<span>ompare the average number of tomatoes that are produced by 10 tomato plants that are grown in clay soil to the average number of tomatoes that are produced by 10 tomato plants that are grown in sandy soil.
It would be best to grow more than one tomato plant in each soil to truly represent the tomato's growth in them. To average the number of tomatoes yielded by each soil sample would also allow a sample that is more representative of the tomato plants than merely comparing single tomato plants.
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Answer:
to continually produce energy,your organs need oxygen and the oxygen is carried in your red blood cells.