It’s where a male or female chooses the opposite gender to be a mate for specific features. Ex.) peacocks choose makes with brighter feathers
A Fragment of strand of nucleic acids isolated from silk moth species containes the base sequence CAGACT. these strands form DNA.
Crackers with meat and cheese
The answer is
B. Chemical
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One level is, Awarness
And the second is Unconcious/Subcontious
Hope this is helpfull