Fast food can be both useful and harmful. The harmful parts are that it can make you obese and cause health problems such as clogged arteries, Diabetes, and Heart disease. The useful parts are that fast food can taste delicious and save money.
Chickens are extremely useful. Chickens, and their eggs, are an important food source for people.
lion are useful and harmful
The type of keyboard that is useful in fast food restaurantsis called the Concept Keyboard. The concept keyboard usually has images on it for easy navigation.
they are useful because they help you heat up stored food that has been frozen and they are harmful because you have to watch what you put in it because it can blow up.
It is not harmful. Also it is not useful
Fasting without food for more than 3 days can be harmful to your health.
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
useful
The by-products of making it, or by littering, could be environmentally harmful.
i think its both harmful and useful
Ozone at ground level is harmful. It is useful in stratosphere as it protects us from harmful UV rays.
useful photosynthesis cooking food process of digestion harmful pollution rusting taking highly acidic food