To produce images of the body in order to have medical professionals examine and diagnose, patients may undergo an MRI scan, a mammogram, or an x-ray (among other procedures). MRI imaging works by A) subjecting hydrogen nuclei to fluctuating magnetic fields.

B) sending radio waves through the body.

C) injecting special radiolabeled isotopes into the body.

D) Sending low-frequency sound waves through the patient.

E) exposing the body to high levels of radiation.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

answer: i feel like it would be 3

explanation: