Classify as man-made or natural extinction: Pollution Natural extinction
Man-made
Neither
Both

Which organ controls breathing? lungs alveoli heart diaphragm

What is the ratio of carbon hydrogen and oxygen in a carbohydrate?

Unlike mendel's pea plants,humans can have a variety of heights,not just tall or short.what does this mean for human height? a.height is controlled by one gene b.height is controlled by more than one c.height is not genetic d.height is solely determined by whether or not you eat your vegetables