Answer:
they were hunter gatherers
Explanation:
Shape of the nose is entirely hereditary, as genes have nothing to do with any of the other attributes.
Answer:
As light travels in a straight line at a constant speed, it's acceleration is <u>0 m/s²</u>.
There is no rate of change of speed, so there is no acceleration.
- <u>0 m/s²</u> is the right answer.
