A feather and a rock dropped at the same time from the same height would land at the same
time when dropped
a. by Galileo in Italy c. by an astronaut on the moon.
b. by Newton in England. d. None of the above

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.