Cyanobacteria are primitive organisms where chloroplasts are believed to be originated. These phototrophic organisms benefit the environmental and the clinical aspects because of their unique physiology. For instance, they contribute to energy attainment from sunlight which helps other organisms gain energy when this is consumed. Another is the contribution to biogeochemical cycles. And lastly, how these can aid in many medical discoveries and treatments.
Answer:
Because 2 forces are stopping the crate, friction and gravity. While only one force is trying to move it forward.
Chromoplast(Plastid) is the answer you are very welcome
