The correct answer may be D
You would look for the chemical and physical properties because by identifying what properties those metals fit into it is easier to compare and contrast what metal they are
Answer:
X: Producers undergo photosynthesis
Y: Decomposers return carbon to the soil and release
waste.
Because his principles of geology explained how Earth was shaped by the same processes, earthquakes, volcanoes, etc, as they are today. Darwin used this principle to hypothesize his theory of evolution that species must have also changed over time by the same processes like fitness.
Domains include Kingdoms and all other taxa.