HEL Conduction can occur within a single substance, but parts of the substance must have which property? a: different temperatures b: different textures c: different particle sizes d: different colors

What was the direct cause of the u. s. entry into world war ii? a. the bombing of pearl harbor b. the invasion of poland by germany c. the capture of belgium by germany d. the battle of britain

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Which institution includes radio televisions and movies