Q: What is the leading cause of skin cancer? Read this paragraph and choose the correct option from the provided answers: Forms of radiation that cause cancer include ultraviolet (UV) radiation and radon ( Figure below ). UV radiation is part of sunlight. It is the leading cause of skin cancer. Radon is a natural radioactive gas that seeps into buildings from the ground. It can cause lung cancer. Choices: - artificial light - dehydration - smoking - sunlight A:
sunlight

Q: What is the term for tough protein fibers that connects bones to each other? Read this paragraph and choose the correct option from the provided answers: Ligaments are made of tough protein fibers and connect bones to each other. Your bones, cartilage, and ligaments make up your skeletal system . Choices: - tetons - cords - muscles - ligaments A:
ligaments

Q: When do weather balloons return to earth? Read this paragraph and choose the correct option from the provided answers: Weather stations contain many instruments for measuring weather conditions. The weather balloon ( Figure above ) will rise into the atmosphere until it bursts. As it rises, it will gather weather data and send it to the surface. Many weather satellites orbit Earth. They constantly collect and transmit weather data from high above the surface. A radar device sends out radio waves in all directions. The waves bounce off water in the atmosphere and then return to the sender. The radar data shows where precipitation is falling. It's raining in the orange-shaded area shown above. Choices: - when the air heats up - when the timer runs out - when the air cools - when it bursts A:
when it bursts

Q: Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy? Read this paragraph and choose the correct option from the provided answers: Generators change the kinetic energy of a spinning turbine to electrical energy in a process called electromagnetic induction. You can read about generators and how they work in the chapter "Electromagnetism. ". Choices: - potential - seismic - electric - kinetic A:
kinetic