How to use in-sentence of “unnatural”:
+ Algal blooms are a big problem to ecosystems because, like any sudden unnatural growth, it harms the other animals in that ecosystem, usually decreasing their numbers quickly.
+ An unnatural rainbow effect can also be made by spraying drops of water into the air on a sunny day.
+ Some fruitarians will eat only what comes naturally from a plant: foods that can be harvested without killing or harming the plant. These foods consist primarily of culinary fruits, nuts, and seeds. Some do not eat grains, believing it is unnatural to.
+ Supervillains usually hold some kind of unnatural force.
+ By contrast, death caused by active intervention is known as unnatural death.
