Iron combines with oxygen and water from the air to form rust. If an iron nail were allowed to rust completely, one should find that the mass of the rust: Question 16 options: It is impossible to predict. less than the nail it came from. more than the nail it came from. the same as the nail it came from.

The solutions to the inequality y ≤ 2x − 4 are shaded on the graph. which point is a solution? p

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

Ineed so much with both of these tot