Answer:reflection by dust particles in air
The more arms it has the less of a chance the prey has to swim away.
i’m not 100 percent sure but I need points to ask questions good luck th
Answer:
820 nm
Explanation:
We are given that
Wavelength=



For first minimum therefore
m=0
We know that for destructive interference

Substitute the values



Hence, the distance between two slits that produces the first minimum=820 nm