Cyanite (al2sio5), quartz (sio2), and leucite (kalsi2o6) may be grouped together because they all contain – a potassium b aluminum c carbon d silicon

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger

Some animals that live in the desert don't move often, if at all, during the day in order to conserve water and energy. this seasonal behavior is best described as which of the following?