https://www.npr.org/2011/10/31/141816460/visualizing-how-a-p

https://www.npr.org/2011/10/31/141816460/visualizing-how-a-population-grows-to-7-billion1) Watch video – NPR: 7 billion2) After watching the video answer the following questions:a) How long did it take human population to reach 7 billion?b) In the video they mention 2 important factors that decreased mortality rates. What are these factors? Why are they important for demographic transition?c) Scientists cannot agree if we will reach a carrying capacity. However, what do they all agree on? Why is it important for us to use our resources sustainably?Initial post is due by Friday April 3 at 11:59PM. Reply to a minimum of 2 classmates and engage in in-depth discussions. Replies due by Sunday April 5 at 11:59PM.Criteria3210Timeliness Initial post and replies were posted during the assignment period._Not posted during the assignment periodNot posted Answers to questions a – c (listed above)Posted the answers to questions a-cPosted answers to 2 out of the 3 questions.Posted answers to 1 out of the 3 questions.Did not answer any of the questions.Sustainability discussionProvides a thorough discussion of the importance of using our resources sustainably.Provides a discussion of the importance of using our resources sustainably.Mentions the importance of using our resources sustainably.Does not mention or discuss the importance of using our resources sustainably.RepliesReplies to a minimum of 2 classmates and engages in multi-post in-depth discussions.Replies to 1 or more classmatesReplies to one classmate.Does not reply to other classmates.