August 10, 2020
Sand: What’s It Really Made Of?
Caller Hank wants to know where the sand on his central California beach came from. ELT gets the surprising scoop on how beaches are born. Guest: Kiki Patsch, California State University Channel Islands. Special thanks to Gary Griggs. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Also available on Apple Podcasts