Answer:
How effective is a new toothpaste in reducing cavities? Observational study
How does the daytime temperature affect the.....- Observational study
Which is a better absorber of heat.... - Controlled experiment
Can plants prepare food even In artificial light.- Controlled experiment
Why does a rolling ball slow down as it moves.- Controlled experiment
Please check if the answers are right first
thomas edison was a good one or professor edison if you may
Answer:
What's up?
Explanation:
Right now I am on a 4hr long trip...
Yeah how do you calculate Riemann sums
