well ,I was looking for an answer for this question at last i got it!!
the answer was:there are some physical change that are really harmful
example:weight gain,diseases etc....
what harmful changes is/are brought when a metal reac or mixes w/ acid
Useful effects of substances and mixtures can include providing essential nutrients or medications to improve health, while harmful effects can include toxicity leading to illness or pollution of air, water, or soil. For instance, vitamins in food mixtures can improve health, but pollutants in emissions from vehicles can have harmful effects on the environment.
Deforestation is a physical change that has harmful effects on the environment. It leads to loss of biodiversity, disruption of ecosystems, increase in greenhouse gas emissions, and soil erosion.
Earthquakes can impact the environment by causing landslides, tsunamis, and changes in groundwater levels. They can also lead to the release of harmful substances from the Earth's crust, such as gases or toxic chemicals, and disrupt ecosystems by altering habitats and water sources. Additionally, earthquakes can contribute to soil erosion and changes in the landscape.
Yes, pentane is harmful to the environment. It is a volatile organic compound (VOC) that can contribute to air pollution and smog formation. In addition, pentane can also contaminate water and soil if not properly handled or disposed of.
changes both harmful and useful
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
it is useful because it can aware all the peoples to now about it and also to protect or environment to such harmful effects
it changes the temperature and weather changing.Why? because it affects us harmful effects.
scratch paper
lion are useful and harmful
Harmful materials are substances that can cause damage to living organisms or the environment, such as toxic chemicals or pollutants. Useful materials are substances that have practical value or serve a useful purpose, like building materials or medicine.
It is not harmful. Also it is not useful
Ozone is useful. The oxygen forms again transforms to form ozone.
useful photosynthesis cooking food process of digestion harmful pollution rusting taking highly acidic food
Not necessarily. While adaptations can help an organism survive and reproduce in its environment, they may not always be beneficial in all situations or environments. Changes in the environment or interactions with other species can render an adaptation less useful or even harmful over time.
Harmful, because petrol fumes are produced by various engines that are considered to be harmful. Also, they pollute the environment.