Why is pigweed so difficult to control? select all that apply. why is pigweed so difficult to control? select all that apply. the number of inches it grows daily the way it spreads like a vine on the ground and is hidden from view its thick, woody stem the number of seeds it produces?

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.