The melting point of matter is the temperature at which it changes from a: HINT THER IS ONY ONE ANSWER AND IF MY BRUDA DOES IT THEN HE GET BRAINLIEST 1. liquid to a gas
2. solid to a liquid
3. gas to a liquid
4. liquid to a solid

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.