Therefore, in Doppler Effect only the frequency and wavelength are changes and the wave speed does not change
Answer:
As the sweat evaporates off your skin, you cool down. Sweat is a great cooling system.
Explanation:
Explanation:
observation learning= watching an experienced nurse, dr., perform an observation, hypothesis, etc.
always needing facts 2 prove the above.
my answer is A..
Answer: Definition of Selectively Permeable Membranes. All cells are enclosed with a cell membrane. A selectively permeable cell membrane is one that allows certain molecules or ions to pass through it by means of active or passive transport.