morphine that is broken up into small quantities
-10grade/week
Explanation:
Given parameters:
Initial grade = 95grade
Final grade = 65grade
Time = 3weeks
Unknown parameter:
Rate of change of grade = ?
Solution:
Rate is defined as the change of a quantity with time.
Rate of change of grade = 
Rate of change of grade =
= 
Rate of change of grade = -10grade/week
The rate of change of the student's grade is -10grade/week. It implies that the grade of the student reduces by 10unit per week.
<span>The 1-kg ball accelerates twice as much as the 2-kg ball.</span>
A. move :) is the best choice that i got
The answer is A: phytoplankton provides nutrients to consumers in the ecosystem.
Hope this helps:)