John was a relatively thin and bone-y child when he was younger. He would often get bruises and was prone to breaking bones. As an adult however he does lots of weight lifting and hasn't broken a bone yet. Will lifting weights likely increase or decrease bone thickness?
Ans: increase

Two groups of scientists examined two fires. Group A put a large log on it, and group B made a fire with small twigs. They wanted to see which fire would last longer. Which group had a fire that lasted longer?
Ans: Group A

Both Nicaragua and Costa Rica had large tract of pristine forests. They had one of the largest concentration of tropical species. In the 1980s Nicaragua started clearing up some of these forests. Instead, they have now vast tract of sugarcane production in that land. One can still visit Costa Rica where they kept those pristine forests intact. Which country would have larger plant food supply for its indigenous animals, Nicaragua or Costa Rica?
Ans: Costa Rica

Dan studied two islands. Loon island had a very stable environment, and there weren't many diverse species of plants and animals. Wolf island displayed lots of evidence for natural selection, and had a large variety of species inhabiting it. Which island had animals that were not adapted to their environment?
Ans: Loon