IT WOULD BE 15 CAUSE 10+5 IS 15 AND ITS THE SAME AMOUNT GOING IN AS OUT AND 15 IS GOING OUT SO 15 IS GOING IN.
I think the answer in this is c because it shows how the scientist worked in feilds
Answer:
I would assume better eating habits and regular and steady Cardiovascular workouts to help strengthen her heart and keep her healthy. Most importantly keeping your blood levels managed.
Answer:
C. 3:3
Explanation:
"Ozone is a gas that is naturally present in our atmosphere. Each ozone molecule contains three atoms of oxygen and is denoted chemically as O3. Ozone is found primarily in two regions of the atmosphere." https://csl.noaa.gov/assessments/ozone/2002/qandas1.pdf