What does considering scale mean in science?

scale (chemistry), the range of mass or volume of a chemical reaction or process.

Explanation:

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def find_max(num_1, num_2):

   max_val = 0.0

   if(num_1 > num_2):

       max_val = num_1

   else:

       max_val = num_2

   return max_val

max_sum = 0.0

num_a = float(input())

num_b = float(input())

num_y = float(input())

num_z = float(input())

max_sum = find_max(num_a,num_b)+find_max(num_y,num_z)

print('max_sum is:',max_sum)

Explanation: