Erik, a forensic technician, is called to a crime scene to determine if there are any fingerprints. He uses the process of photoluminescence to find the evidence. Which scientific field did he use?
O physics
O biology
O chemistry
O entomology

When analyzing tree rings, what do scientists assume a thin ring indicates?

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Read the article and use the information to answer the following questions. active transport in active transport, molecules are moved across the cell membrane with the of neurons electrical impulses proteins. inhibitors 3 of 3 vity