Answer:
WELL UMMMMM.....
Explanation:
THERE ARE SOUND WAVES THAT TRAVEL THROUGH THE AIR AND YOUR EAR HEARS SOUNDS FROM THAT SO YAAA
I think it can be color flowers because the rest is external, or gills if i am mistaken
Answer:
WAVE #3
Explanation:
Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 0.04 inches (1 millimeter) to more than 62 miles (100 kilometers). They also have the lowest frequencies, from about 3,000 cycles per second, or 3 kilohertz, up to about 300 billion hertz, or 300 gigahertz
The most true answer from these choices is:
Methyl groups most often added to guanine-cytosine base pairs because they are held by three hydrogen bonds, and this decreases the probability of gene expression.