What is missing from the hypothesis below? if i add fertilizer to my garden, then my plants will grow faster. a. a because statement explaining why we think our prediction is correct b. a then statement giving a prediction of what will happen c. an if statement explaining what is being added or changed

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.