Fact 1: Sharpening an object causes that object to change shape. Fact 2: Each stone incorporates a groove for sharpening pointed objects such as fish hooks and darts. Given the two facts above, answer the question "what can be done to stones?" with the following options: - heat - Bend - reshaped - erosion - Relieve pain - protect them - kill them - loose soil
reshaped

Fact 1: Looking at bright objects has a negative impact on the eyes. Fact 2: Like the retina of the eye, the intense light of the Sun can burn the imager damaging the camcorder. Given the two facts above, answer the question "What does looking at bright objects do to the retina?" with the following options: - It expands - It decreases - Change colors - Makes it brighter - Makes them itchy - decrease stamina - Damages them - Dries them out
Damages them

Fact 1: Ants communicate with chemicals called pheromones. Fact 2: Physiologically, ants leave a trail of pheromones, which other ants then follow. Given the two facts above, answer the question "How do ants communicate to other ants to encourage them to follow?" with the following options: - Skywriting - Electrical energy - Using a phone to communicate - Leaving a written communicatio - Something coming from a gland - By wind and rain - Chemical energy - Leaving chemical trails
Leaving chemical trails