A double-walled glass container C silvered glass surfaces
B vacuum
D metal container
Which of the above features reduces heat transfer by:
b radiation C
a both conduction and convection
23 To what part of the electromagnetic spectrum does the thermal radiation trapped
in a greenhouse belong?​

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.