Which statement describes an exothermic reaction? * Exothermic reactions create thermal energy.
Exothermic reactions cool down other objects.
Exothermic reactions release thermal energy.
Exothermic reactions absorb thermal energy.

The map above shows the expansion of the greek empire. which statement best describes the greeks during the 4th century bc? a. greek expansion was stopped by the persian empire. b. the greek empire controlled parts of africa, europe, and asia. c. the greeks were threatened by barbarian tribes in europe. d. greece did not have friendly relations with ancient egypt.