The answer is c.3.
The types are <span>policy persuasive speech, value persuasive speech, and factual persuasive speech.</span>
The authors' central claim in the passage "These Are the Days of Lasers in the Jungle" is that: (a) LiDAR's opponents have prevented the technology from advancing to a point where it might be scientifically useful, favoring traditional methods; (b) Fieldwork and LiDAR are best used in combination when mapping carbon in
"(of a material, substance, or byproduct) eliminated or discarded as no longer useful or required after the completion of a process."