Answer:
A
Explanation:
The hand has a small bunny on it!
Answer:
The answer is O Cool air is sinking.
It works because soap is made up of molecules with two very different ends. One end of soap molecules love water - they are hydrophilic. The other end of soap molecues hate water - they are hydrophobic. Hydrophobic ends of soap molecule all attach to the oil.
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