A crank flashlight, often thought of as an emergency
tool or camping gear, involves many energy
transformations. To work it, you turn a crank by hand,
and this turns an electric coil around a magnet (or
vice versa). This produces an electric current, and the
current lights up the bulb when you turn the flashlight
on. Identify three energy transformations and where
they happen.

What did hunter gathers do to alter the environment?

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.