In how many ways can 12 people be divided into three groups with 3, 7 and 2 people respectively?

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

How do we determine if they are made with matter

Tissues that carry food water and nutrients throughout the plant