An astroid impact killed off the dinosars which in turn made the first primates evolve.
Answer:
1
Explanation:
It identifies the substance.eg a milk is a creamy liquid substance so the creamy color make us identify the milk
You can put wind energy propellers on the front of your car. This would be effective, as the high speed of the car would increase the rate of energy produced.
You could also have a metal rod slightly scraping the ground, and take the heat generated by friction to produce energy.
Hope this helps!
