Ang ay pagbabago ng isa o higit pang mga pisikal na katangian ng bagay

Which of the following is an oxidation-reduction reaction? (pictured below)

Which of the following is not a defining characteristic of plants?

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