Answer:
Physical change
Any change to the physical properties of a substance is called a physical change.
Physical changes are usually reversible as no new substance is formed. It is the same substance but with changed physical properties.
Chemical change
A change in which one or more new substances are formed is called as a chemical change.
Usually a chemical change involves a chemical reaction, which forms new products.
Example : Rusting of Iron, or burning wood.
Explanation:
have a good day <3 sorry i could answer q1 only ill think baout the others..
A. using new technology to provide additional supporting data.
Answer alpine
Explanation: ive done this many a times
Answer:
A) dense vegetation helps filter out pollutants in the water
Explanation:
The wetlands are areas that are covered with shallow waters and usually have very dense vegetation. The dense vegetation is very important as it is an excellent natural filter for the water, and the incoming polluted waters are usually easily purified in the wetlands. This is very important for the water cycle because if the water is polluted and it continues it cycle like that, then it will result in pollution on all levels in all spheres, making big environmental problems in all of the Earth's spheres.
