A slab of thermal insulator is 100 square cm in cross section and 2 cm thick its thermal conductivity is 2 x 10-4 cal/s-cm-degree celsius if the temperature difference between opposite faces is 100 degree celsius, how many calories flow through the slab in one day?.

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