D becuase it is smooth like a road like a real city.
They are less brighter because of the lesser amount of heat in them. In fact, sunspots are identified as areas that don't subject to heat very much, and are shown as dark spots because it's not hot enough to glow the yellowish orange color we usually see
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~Steve
Cyclins are a family of proteins that control the progression of cells through the cell cycle by activating cyclin-dependent kinase (Cdk) enzymes.
So A. Is correct
Cladograms are tree-like diagrams used to show relationships between different organisms. The node represents the end of the ancestral taxon under consideration, the stems and the species that split from the ancestor.
Answer:
Helpful variations allow individuals to survive and reproduce better than members who lack these variations.