Many species of plants have nodes that are filled with nitrogen-fixing bacteria on their roots. The nitrogen that the bacteria "fix" is then used by the plant to build plant tissues. Where does most of the nitrogen that the bacteria use come from? A. The nitrogen is secreted by the plants through their root systems. B. The nitrogen is absorbed into the soil from the atmosphere. C. The nitrogen is formed by chemical reactions taking place between different minerals in the soil. D. The nitrogen is produced by the node's outer membrane.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;