How has the burning of fissile fuels affected the global carbon cycle

Witch type of microscope is used to view very small cell components like proteins and dna?

What type of tree is the tallest tree in the world?

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