which tectonic plate boundary caused the structure that it circled in the imagine? A. oceanic-continental convergent boundary B. oceanic-oceanic convergent boundary C. divergent boundary D. transform boundary

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?