When soho observes a coronal mass ejection heading for earth, how long do we usually have to prepare earth-based and satellite systems for the coming solar storm?

a. 8-9 minutes b. less than one day c. 3-5 days d. one month

In what ways has the human population put pressure on the land

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.

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?