Atemperature change in a reaction

a physical change
no change
a chemical change
a positive change

A temperature change in a reaction indicates a chemical reaction.

Explanation:

Chemical change: is a process in which new substance is formed and energy is released with change in the temperature.

Example of chemical change

Physical change:It is a process where a new compound is formed but there is a change in shape and size.

Example of Physical change

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

it is a learned trait

explanation: