Astudent wants to study the effect of removing thermal energy from a system. which of the following experiments should the student perform? a. close a circuit by adding a penny and record if the bulb glows. b. close a circuit by adding a nail and record if the bulb glows. c. gradually warm a liquid and record its change in state. d. gradually cool a gas and record its change in state.

D. Gradually cool a gas and record its change in state.

Explanation:

you are removing thermal energy

The answer is Gradually cool a gas and record its change in state. D

Explanation:

This is true because the student is studying the effect of REMOVING thermal energy from a system. So obviously, you have to cool it.

Also, this was on my test and the test said this was the correct answer so I can't be wrong

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the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )