A botanist has just selfed an orchid with the genotype A/a ; B/b ; C/c ; D/d ; E/e. From this self-cross, how many different homozygous genotypes (i. e., organisms that are homozygous at one or more loci) can be produced

How does friction with the atmosphere affect the speed of an artificial satellite

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

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?