They all went extinct so that why their are no animals in the world
Answer:
all of the answers
Explanation:
since all are methods of transferring heat which is the energy in question.
hope it helps.
Answer:
a 10th of a second delay between hearing the bell and noting the position of the pendulum (and vice versa)
Explanation:
Using a pendulum that hit a bell upon reaching its outer limits, Wundt demonstrated a 10th of a second delay between hearing the bell and noting the position of the pendulum (and vice versa), and it was during that very brief period that a mental process occurred.
Installing active solar energy systems on all available, unshaded rooftop
space and positioning them to face south.
<h3>What is a Solar system?</h3>
A solar system usually comprises of panels which help to collect solar
energy from the Sun and convert them to other forms of energy such as:
The Passive system optimizes the use of heat or light directly from the sun
while the active systems converts the sun's energy into a more usable form
such as electricity. It is also best to position the panels to face south
because the Sun is found at this region thereby encouraging maximum
trapping of solar energy.
Read more about Solar system here brainly.com/question/19483420
