Which of the following best describes the relationship between two systems in thermal equilibrium?

a. No net energy is exchanged.

c. The masses are equal.

b. The volumes are equal.

d. The velocity is zero.

After the first two weeks of conception is called?

Which of the following is not true about the sun

Iva is studying whether students gain weight during their first year of college. she collects weights from all the incoming freshmen in the fall, then collects weights from them again at the end of the spring term.

What ion is a proton also known as?

Combining which of the following substances with germanium will cause the germanium to emit free electrons? A. Bismuth B. Gallium C. Aluminum D. Indium

True or False? Gases such as water vapor condense when they are * heated*.

If a chromosome on unfolds itself how is transcription enhanced

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

What process is used when the sun transfers light to plants A. conduction B. radiation C. convection D. all of these

Which wave characteristic has the unit hertz