Answer:
An old penny rusting
Explanation:
A penny forming rust is the penny being chemically altered and changing form as opposed to dissolving sugar in water, which is still sugar, just mixed with water. It doesn't change the chemical makeup of the water or sugar.
Hi, you've asked an Incomplete question. However, I provided a brief about cell theory.
<u>Explanation:</u>
The cell theory basically states that all living things are made of cells and that the cell is <u>the basic unit of life.</u> Robert Hooke, who was a Scientist is known to have originated (coined) the term “cell” in the year 1665.
Basic Facts about Cell theory:
- the basic unit of life is the cell
- all living things have one or more cells.
- already existing cells produce all new cells.
Answer:
Animals preserve play very important role in maintaining ecosystem biodiversity. In animal preserves, animals are protected from the harmful effects of the changes which occur in the environments due to human intervention. In animal preserves,
animals should be kept in proper environment and provide a proper place for living and food in order to increase the population of the animals.
Answer:
nitrogen can be changed into macromolecules like proteins and nucleic acids (DNA and RNA)
Explanation: