While carbohydrates supply immediate energy for the body, lipids — a class of macromolecule — provide long-term energy storage. Lipids, more commonly known as fats, appear in many foods.
These plants colonize habitats, and exclude the native plants and animals. Since they decrease native biodiversity, they arebad for the environment.
The diagram of water cycle includes the evaporation of water from water bodies. This is often expressed by an arrow or a bunch of arrows that arise from the water body and point towards the sky.
Some diagrams also symbolically show the evaporation process as water vapor that is symbolised with wavy curved arrows
Yes, it's correct, because carbohydrates are the main source of energy. It's an organic molecule that consists of carbon, hydrogen and oxygen atoms.