Whereas a change that causes change in chemical composition of a substance is known as chemical change. For example, A new substance is always formed in a chemical change. Thus, we can conclude that the definition a chemical change produces a new substance by breaking and forming new bonds, is correct.
Answer:
Energy is a property of matter. example what we eat has energy. Apples have energy.
Explanation:
Animal cells don't have cell walls, or chloroplast but plant cells do. Animal cells are round and irregular in shape, while plant cells have fixed rectangular shapes.
Answer: c algae colonies are made up of similar cells that work together
Explanation:
The frontal lobe takes about 1/3 of the cerebral cortex.
