Answer:
there are 6 significant figures in 107.051
The answer is A because if you place the first two numbers 1 and 3
Au=2
S=3
H=6
It has to equal to the product so then you put in the last two numbers 2 and 3
Au=2
S=3
H=6
External fertilization in animals usually occurs in water or in damp areas in a process called spawning.
Hepta is seven and tetra is four, so option c is your answer
