C'mon know your memes.
The mitochondria is the powerhouse of the cell.
A monohybrid cross only involves one trait, for example "shape". A dihybrid cross involves two traits, for example "shape " and "height".
Erosion is the breakdown of anything. Like for example rock erosion is when the water keeps hitting the rock over and over until then the rock sarts to breakdown.
Prokaryotic: before nucleus, no membrane bound organelles, and single celled microscopic organisms
eukaryotic: true nucleus, has membrane bound organelles, and multi cellular or unicellular organisms
therefore it would be letter <span>B. cell membrane and cytoplasm</span>