Which of the following is a measure of area in the metric system used to calculate your ecological footprint? a. a hectare b. a liter c. a square mile d. an acre

Acommon kind of mechanical weathering is called

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion

Everything that surrounds a particular organism