A copper wire is left outside on the ground for several weeks. Which statement describes a change resulting from the chemical properties of the
wire?
A. It conducts electricity when lightning strikes it.
B. It melts when heated.
C. It becomes tarnished.
D. It bends when someone steps on it.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)