Burning less fossil fuels and riding bikes or walking instead of cars.
Explanation:
They were created with stone and wood and sometimes even bones, I hope this helped!
the unnamed spacecraft which travels to Mars, will have the greatest weight on the Earth.
Answer:
So combining blue with yellow light is like combining blue light with red and green light. The result of combining these three primary colors of light is to produce white light.
Explanation:
Answer:
Changes in environment, food source changes and disease?
Explanation:
I dont know what the answer choices are