use the drop-down menus to answer the questions. if two vectors are perpendicular to each other, how should you add them? if two vectors are not perpendicular to each other, how should you add them?

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

Match each fossil with the layer where it’ll be present based on those conditions.

How do we determine if they are made with matter