If height in plants was controlled by three additive genes, a, b, and c, a cross of an intermediate plant with a genotype of aabbcc with an intermediate plant with a genotype of aabbcc would produce what ratios of heights in the offspring?

Which system revise and send electrical signals throughout the body

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?