This is a canyon in Iceland. How did it most likely form. A) Plant roots weathered soft rock, turning it to soil. B) Gravity caused sediment to erode upstream. C) Flowing water weathered and eroded the riverbed. D) Blowing wind deposited sediments on the riverbank.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

You see a white marker with an orange circle and black lettering. what does this marker tell you

When are the centromeres broken in meiosis?