Once approved, how can nanotechnology be used to treat cancer? A by causing cancer cells to replicate
B nanoparticles slip through blood vessels and latch onto cancer cells that eat the particle and destroy the cancer cell
C mapping your genetic code for cancer genes and deleting that gene in every cell
D using nano-robots to seek and destroy all cancerous cells

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.