A chemical change that gives off heat. Burning paper would be an example.
An exothermic reaction occurs when energy is released during a chemical reaction (often times when chemical bonds are made).
They release it's heat.
is the reactant which will be used up in the reaction, before the other reactant(s)
1. Rusting is a chemical change because it is an oxidation reaction. 2. The second part of your phrase is another question, it is incorrect and is confuse.
Yes. Photosynthesis involves the transfer of electrons. Photosynthesis causes a chemical change. All chemical changes involve either the transfer of electrons or a change in the configuration of electrons. No other way exists to make a chemical change.
flat
Has deep, fertile soils
Dehydration of simple sugars. :)
the movement of a chemical substance through both the biotic and abiotic parts of earth
If it's pointing right, it can be read as the English phrase "react to form". If it's pointing left, it's "is formed by the reaction of". If it's a double arrow, "is in equilibrium with".
which phase best describes a thesis
Which phrase best describes the basis of seals taxes
If the phrase describes (modifies) a noun or pronoun, it's an adjective phrase. If the phrase describes a verb, adjective, or adverb, it's an adverb phrase.
is the reactant which will be used up in the reaction, before the other reactant(s)
a physical reaction :)
which phase best describes a thesis
A stock phrase that describes a person, place, or thing
This phrase means that something or someone describes you totally
an adjective phrase is a prepositional phrase that describes a noun or a pronoun