Which of the following ideas did johannes kepler propose? a) newton’s first law b) law of equal areas c) law of universal gravitation d) law and equal and opposite forces

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