Explanation:
<h3>The Bolshevik launched a movement for women's self-activitiy; the Zhenotdel, also known as women's section of the community party. (1919-1930)</h3>
Producers have the greatest collective biomass
Answer: B (130)
Explanation:
A trapezoidal Riemann sum can be found by multiplying the width (the change in x) of each sub interval by the average of the y values of the two points at either end of the section and then adding up all of the sun intervals. Therefore, the trapezoidal approximation would equal 0.5(40) + 1.5(50) + 1(35) to get the answer of 130.
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