Which pair of complex factors results in a real numbeproduct? 15(–15i) 3i(1 – 3i) (8 20i)(–8 – 20i) (4 7i)(4 – 7i)

According to the passage weisers mother could be blamed for

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food