What do we measure when we look for an object’s length, height, width?

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.

When it is a high tide in georgia, usa, where on earth is another place that is also experiencing a high tide

What is the amount of organic matter in all living organisms in a habitat called?