Answer:
Rhizobium is a genus of bacteria associated with the formation of root nodules on plants. These bacteria live in symbiosis with legumes.
Explanation:
A) A metal forms a + charged ion, so D2+
B) A nonmetal forms a - charged ion, so A-
C) C2-
D) B+
Formula of a triangle: length*breadth/2
Some examples of skills used in science include Observation and Measurement. Observational Skills and Measurement Skills.
In some cases it would be called a schools,communities and or flocks.hope this helps please give a 5 star and brainlest answer.
