The study author found that red legos have 274 μg of accessible cadmium per gram of lego brick. The ld50 for cadmium is 100 mg/kg. How many red lego bricks would a 10. 0 kg child need to consume to reach the ld50 threshold? the average mass of a lego brick is 2. 50 grams.

What is life ? a: hell b: gods bible c: or depression

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a