Jill has found evidence that suggests that individual volcanoes produce igneous rocks with a certain chemical signature. she predicts that scientists could use an igneous rock's chemical signature to determine where the rock came from. what type of investigation should jill perform to test her prediction?
a- observe and describe a volcanic eruption
b-perform a controlled experiment on a volcano
c-model the formation of an igneous rock
d-collect and test rock specimens

Which entry is in the wrong position in the table?

Apopulation of rabbits live in a local forest. some had a mutation for a large body and long legs. the graph below shows the number of both the mutant and the normal rabbits over 5 generations. which of the following statements is true for this scenario? question 7 options: the rabbits with the mutation were more successful with restricted food than the normal rabbits. both sets of rabbits were equally successful with the restricted food source. i the normal rabbits were more successful with restricted food than the rabbits with the mutation. the graph does not let us know which rabbit was more successful.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?