Determine the age of the rocks and fossils by moving the samples to the mass-spectrometer. Record the data in the Student Guide
TOOLS
Basalt
Limestone with
unknown fossil
Sandstone with
trilobite
Shale with
ammonite

yes you are doing it right great gob

explanation:

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

about 40,000,000 results (0.81 seconds)  

search results

what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.