D. Made of ash and pieces of rock rich in silica.
Should be your answer!
It depends on what the question is, buddy
it's a learning process called classical conditioning
basically it's broken down into I think three different sections. and it's made to help people adjust to for example trauma and in the classroom with students having a hard time reading out loud they have this program called the Pavlov theory that they have tried to incorporate to help a child be more ease and comfortable in their surroundings
Answer:
Tropical forests are typically biodiversity hotspots and are usually filled with endemic species. The Upper Amazonia/Guyana Shield, the Congo Basin, and the New Guinea/Melanesian Islands have the highest number of endemic terrestrial (land-living) species on Earth
Explanation:
hope this helped:)
B.https://www.mansfieldct.org/Schools/MMS/staff/hand/genNaturalselection06.htm this is where I got my source.