Explanation:
It is possible to predict a physical change or chemical change because they have very unique properties and differences.
A physical change is a change that alters the physical properties of matter especially form and state.
A chemical change is a change in which new kinds of matter is formed.
Here are some of the properties and indicators of the these change;
- A physical change is easily reversible
- Chemical changes are not easily reversible
- Physical changes leads to the production of no new kind of matter.
- Chemical change produces new kinds of matter
- Physical change involves no change in mass
- Chemical change involves a change in mass
- Physical change requires little to no amount of energy
- Chemical change requires considerable amount of energy.
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Answer:
Woah thats a lot of calculating but the answer is 210.
Explanation:
Im really sorry if im wrong but im not very good with math cause I was just trying to help.
Answer:
A
Explanation:
Well, the human skeletal system produce red blood cells into and for the body.
The correct answer is - False.
The funding for the preservation of the forests should be equally distributed for all the forests on the planet. The tropical rain forests are the thickest, the ones that have the largest biodiversity, and they are the ones that produce the highest levels of oxygen, but that doesn't mean that they are the only ones that need protection. The largest forests in the world are actually not the tropical rain forests, but instead it is the taiga, stretching from Scandinavia, throughout all the length of Russia, and throughout all the length of Canada. The mid latitudes are covered with deciduous forests, and they play a crucial role in this parts of the world, both in cleaning the air, providing oxygen, as well as supporting the ecosystems.
Answer:
A) Energy is needed to start photosynthesis and is a product of cellular respiration.
Explanation:
