What is the answer to this question?

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

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

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion