It’s biotic because it’s a living thing
Abiotic would be like a rock non living things
Answer:Biotic
B- Same force
It’s b because force always acts in equal but opposite pairs.
The true scientific way is the last: using the water displacement method
Mass and volume are the 2 factors to determine density
Answer:
When two waves meet in such a way that their crests line up together, then it's called constructive interference. The resulting wave has a higher amplitude. In destructive interference, the crest of one wave meets the trough of another, and the result is a lower total amplitude.