What can the reader conclude about ecosystems based on the information in this passage? A. Ecosystems are always distinctly different and unique.
B. Ecosystems are interrelated with other ecosystems surrounding or including them.
C. Ecosystems are slow-developing entities of biological communities.
D. Ecosystems are clusters of communal habitats in an area.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

there are two significant figures.

answermeridional ;