In the photo above, lichen and fungi are slowly causing these rocks to break down. They are doing this by slowly changing the material the rocks are made of. Which of the following processes is taking place? A. chemical weathering B. erosion by wind C. erosion by ice D. physical weathering

Where was goodyear located? a) northeast b) southeast c) northwest d) southwest

Why is corruption not effectively reduced in nepal

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.