The neck is __ to the head

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals.this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

You see a white marker with an orange circle and black lettering. what does this marker tell you

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?