Ap biology explanation ! < 3

hey guys, i know the correct answer, but i need some assistance understanding why it is correct and how to come to that answer! you!

a porcupine eats 3000 j of plant material. of this, 2100 j is indigestible and is eliminated as feces, 800 j are used in cellular respiration, and 100 j are used for growth and reproduction. what is the approximate production efficiency of this animal?

0.03%

2.7%

3%

33%

Need fast will mark brainliest ^^)based on the work you have completed in this lesson, you are going to create a transcript for a persuasive presentation to convince your client that your design improvement is the best possible solution for their needs. take your client through the different design options you considered for the product design improvement. explain why you discarded the designs that were not the best possible solution. finally, explain why your final product design covers each of the requirements and specifications you used to create your needs statement. your speech must include visual aids that include at least two schematics, or detailed illustrations, of your design. each schematic might show a different angle of your design. or the schematics might show different parts and pieces of the design. if you are unfamiliar with product schematics, find examples by doing an internet search for product schematicsno schematic neededcreate a transcript for a persuasive speech that includes schematics for your design.(just convince people to buy something anything you can think of use your own imagination)

Animations and transitions are added from the

Amanda, a forensics expert, has been called in to examine blood samples and prints found at a crime scene. she conducts a thorough analysis of the matter using her expertise and knowledge. she then prepares forensic reports to support the police investigation. what type of evidence has amanda provided in this situation? a. real evidence b. testimonial evidence c. direct evidence d. circumstantial evidence