The medication would be the controlled variable, the factor that remains constant.
Okay First off what are the problems and what are the hardest ones?
Answer:
Our sun is extremly hot. like our sun, hydrogen is being converted into helium, a process which gives off energy that heats the star
Explanation:
Answer:
B - In real world conditions
Makes the most sense.....
Answer:
more carbon became present in Earth's soil, I think that but not sure