age, heredity diseases, environment
i can only think of 3 but hope these help
My answer if I had to choose is.....
B
Answer:
Divide the total number of calories you consumed for 10 days by 10 to find your average daily calorie intake. Then, subtract 500 calories from this number to determine your new daily intake goal for weight loss.
Explanation:
C because the 90 degree angle is mandatory in a push up. i'm very smart i know about sports!