How far did an object travel if they rode a bike at 15m/s for 5 seconds? A. 75m
B. 3 m/s
C.20 m

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

50.)the diagram below represents the wave fronts produced by a point source moving to the right in a uniformmedium. observers are located at points a and b.compared to the wave frequency and wavelength observed at point a, the wave observed at point b has a(1) higher frequency and a shorter wavelength(2) higher frequency and a longer wavelength(3) lower frequency and a shorter wavelength(4) lower frequency and a longer wavelength