High mass stars burn through their much faster than low mass stars. a. oxygen b. helium c. carbon d. hydrogen

How can the attitudes or culture of business affect the environment?

Scientist believe that earths core is around 6000°c where does this heat come from

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.