Por qué razón se caliente el alambre al doblarlo repetidamente y por qué se rompe?

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Amines amides and amino acids are categories of