Question: Ants communicate with chemicals called pheromones, and ants use receptors on their antennae to follow recruitment pheromone trails. Given these facts, what do ants use to communicate among the following options: - nerves - heat energy - sound - binary code - light energy - Antennae. - megaphones - hand signals
Answer: Antennae.

Question: Alight bulb converts electrical energy into light energy when it is turned on, and too much ultraviolet energy may cause skin cancer. Given these facts, exposure to which of the following can cause skin cancer among the following options: - Gene Rayburn - some types of light bulbs - bad thoughts - Deoxyribonucleicacid - water - direct damage to the lungs - Sulfur dioxide - chlorofluorocarbons
Answer: some types of light bulbs

Question: Fertilization occurs when a sperm and an egg fuse, and fertilization As far as fertilization, timing is critical. Given these facts, when is timing critical among the following options: - for gravity - Warm air moving into cold air - earth's orbit - when sperm and egg fuse - flow of electrons - earth's rotation - Earth revolving around the sun - movement of tectonic plates
Answer:
when sperm and egg fuse