Law of Horizontality in Sediments. ... The Law of Original Horizontality was first proposed by Danish geological pioneer Nicholas Steno in the 17th century. The law states that layers of sediment were originally deposited horizontally under the action of gravity.
Answer:
I think Experimentation :)
Explanation:
apologies if its incorrect.
The answer in this question is known as antisepsis. Antisepsis is the chemical agents that is used directly on exposed body surfaces to destroy or inhibit vegetative pathogens. Antisepsis is defined as the practice of using antiseptic to eliminate the micro-organism who causes of having a disease.
The answer I believe is- Dominant Gene